1. Choose level of difficulty Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much?

2. Help Step 1: Work out the cost of the 4000kWh for each of the companies. Fill in this table Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? GASCOMUGAS Cost per kWh 2.99 Number of kWh 4000 Cost

3. Help Step 2: Work out the cost of the standing charge for each company Fill in this table Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? GASCOMUGAS Standing Charge Number of Months Cost

4. Help Step 3: Work out the total cost Fill in this table Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? GASCOMUGAS Standing Charge for 3 months Cost of kWh Total Cost

5. Help Step 4: State which company is cheaper and how much cheaper is it? Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? End of Problem Return to Menu End of Problem Return to Menu

6. Help Step 1: Work out the cost of the 4000kWh for each of the companies. Fill in this table Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? GASCOMUGAS Cost per kWh 2.99 Number of kWh 4000 Cost

7. Help Step 2: Work out the cost of the standing charge for each company Fill in this table Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? GASCOMUGAS Standing Charge Number of Months Cost

8. Help Step 3: Work out the total cost Fill in this table Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? GASCOMUGAS Standing Charge for 3 months Cost of kWh Total Cost

9. Help Step 4: State which company is cheaper and how much cheaper is it? Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? End of Problem Return to Menu End of Problem Return to Menu

10. Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much?

11. Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much?

12. Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much?

13. Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? End of Problem Return to Menu End of Problem Return to Menu

14. Hint Step 1: Work out the cost of the 4000kWh for each of the companies. Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much?

15. Hint Step 2: Work out the cost of the standing charge for each company Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? End of Problem Return to Menu End of Problem Return to Menu

16. Hint Add on the standing charge at the end Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much? End of Problem Return to Menu End of Problem Return to Menu