Cost Graphs – Worksheet A The worksheet is provided in 2 sizes.

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Budget Breaks! Economy Excursions! Low-Cost Leisure! £30 off the normal price. 20% off when spending over £200. £50 off when spending over £150. I want to go to Cornwall and the normal price is £180. Which company has the best deal? What if I was going to spend… £200? £300? £500?

Percentage Investigation Jane wants to go on holiday and can choose between three companies with different offers. Which company is the cheapest if the normal price was £200? … What about £300? 1) Complete the table below. 2) Plot the price points for each company. When are Budget Breaks the cheapest? When are Low-Cost Leisure the cheapest? Budget Breaks! Economy Excursions! Low-Cost Leisure! £30 off the normal price! 20% off when spending over £200! £50 off when spending over £150! 400 350 300 Normal Price (£) Budget Breaks Economy Excursions Low-Cost Leisure 50 100 150 200 250 300 350 400 250 Discount Price (£) 200 150 100 50 50 100 150 200 250 300 350 400 Normal Price (£)

Budget Breaks! Economy Excursions! Low-Cost Leisure! £30 off the normal price. 20% off when spending over £200. £50 off when spending over £150. EXTENSION QUESTIONS Use your graph to estimate how much each company would cost if I wanted to spend £320. Accurately calculate the actual cost.

Percentage Investigation Jane wants to go on holiday and can choose between three companies with different offers. Which company is the cheapest if the normal price was £200? … What about £300? 1) Complete the table below. 2) Plot the price points for each company. When are Budget Breaks the cheapest? When are Low-Cost Leisure the cheapest? Budget Breaks! Economy Excursions! Low-Cost Leisure! £30 off the normal price! 20% off when spending over £200! £50 off when spending over £150! Table Answers 400 350 300 Normal Price (£) Budget Breaks Economy Excursions Low-Cost Leisure 50 20 100 70 150 120 200 170 250 220 300 270 240 350 320 280 400 370 250 Discount Price (£) 200 150 100 50 50 100 150 200 250 300 350 400 Normal Price (£)

Percentage Investigation Jane wants to go on holiday and can choose between three companies with different offers. Which company is the cheapest if the normal price was £200? … What about £300? 1) Complete the table below. 2) Plot the price points for each company. When are Budget Breaks the cheapest? When are Low-Cost Leisure the cheapest? Budget Breaks! Economy Excursions! Low-Cost Leisure! £30 off the normal price! 20% off when spending over £200! £50 off when spending over £150! Full Answers 400 350 300 Normal Price (£) Budget Breaks Economy Excursions Low-Cost Leisure 50 20 100 70 150 120 200 170 250 220 300 270 240 350 320 280 400 370 250 Discount Price (£) 200 150 100 50 50 100 150 200 250 300 350 400 Normal Price (£)

Percentage Investigation Jane wants to go on holiday and can choose between three companies with different offers. Which company is the cheapest if the normal price was £200? … What about £300? 1) Complete the table below. 2) Plot the price points for each company. When are Budget Breaks the cheapest? When are Low-Cost Leisure the cheapest? Budget Breaks! Economy Excursions! Low-Cost Leisure! £30 off the normal price! 20% off when spending over £200! £50 off when spending over £150! 400 350 300 Normal Price (£) Budget Breaks Economy Excursions Low-Cost Leisure 50 100 150 200 250 300 350 400 250 Discount Price (£) 200 150 100 50 50 100 150 200 250 300 350 400 Normal Price (£)

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk