Choose level of difficulty Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Choose level of difficulty

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 1 Work out the upper and lower bound of the cup. What is the accuracy?

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 2 Work out the upper and lower bound of the amount of black coffee. What is the accuracy?

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 3 Work out the upper and lower bound of a carton of milk. What is the accuracy?

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 4 Work out how much milk she adds. To have a chance of over flowing we want the largest amount of milk.

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? Help Step 5 Choose the correct values. We want the smallest cup with the most black coffee and the most milk. End of Problem Return to Menu

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 1 Work out the upper and lower bound of the cup. What is the accuracy?

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 2 Work out the upper and lower bound of the amount of black coffee. What is the accuracy?

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 3 Work out the upper and lower bound of a carton of milk. What is the accuracy?

Bounds Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Help Step 4 Work out how much milk she adds. To have a chance of over flowing we want the largest amount of milk.

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? Help Step 5 Choose the correct values. We want the smallest cup with the most black coffee and the most milk. End of Problem Return to Menu

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge?

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge?

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge?

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge?

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? End of Problem Return to Menu

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? Hint Work out the upper and lower bound of each value.

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? Hint Choose correct values to answer the question. End of Problem Return to Menu

Bounds A coffee machine dispenses 130 millilitres of black coffee Into cups with a capacity of 175 millilitres. These values are accurate to 3 significant figures. Milk is supplied in small cartons which contain 21 millilitres, accurate to the nearest millilitre. Beryl likes milky coffee and always puts 2 cartons of milk in her coffee. Will Beryl’s cup ever overflow? Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge? Hint Choose correct values to answer the question. End of Problem Return to Menu