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2. Planet Electrics Ltd buys each DVD player for £120 and re-sells it for £150. What is the percentage profit in this transaction? Purchase price: Sale price: Profit: £120 £150 £30 Fractional profit = Actual profit Original amount = 30 120 = 1 4 = 0.25 Percentage profit = 25%

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4. A sweet shop buys chocolate bars for 50 pence each and sells them to customers for 70 pence. What is the percentage profit for this chocolate bar? Purchase price: Sale price: Profit: 50 pence 70 pence 20 pence Fractional profit = Actual profit Original amount = 20 50 = 2 5 = 0.4 Percentage profit = 40%

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6. The cost of making a bedside table is £30 and this table retails in a furniture shop for £40. What is the percentage profit for this bedside table? manufacturing cost: Sale price: Profit: £30 £40 £10 Fractional profit = Actual profit Original amount = 10 30 = 1 3 = 0.3 Percentage profit = 33.3%

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8. A fruit market stall trader bought pears for 10 pence each. Unfortunately these pears were not popular and in order to get rid of them before they go bad he had to sell them for 8 pence each. What is the percentage loss in this transaction? Purchase price: Sale price: Loss: 10 pence 8 pence 2 pence Fractional Loss = Actual loss Original amount = 2 10 = 1 5 = 0.2 Percentage Loss = 20%

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10. In the end of season sale shirts that cost £8 each to buy were sold at the clearance price of £5 each. What is the percentage loss in this transaction? Purchase price: Sale price: Loss: £8 £5 £3 Fractional Loss = Actual loss Original amount = 3 8 = 0.375 Percentage Loss = 37.5%

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12. A wine merchant buys a case of 12 bottles of wine for £30. He sells each bottle of wine for £4. What is the percentage profit for this transaction? purchase cost: Sale price: Profit: £2.50 £4 £1.50 Fractional profit = Actual profit Original amount = 1.5 2.5 = 15 25 = 0.6 Percentage profit = 60% 3 5 = £30÷12=£2.50 Method 1

13. © T Madas A wine merchant buys a case of 12 bottles of wine for £30. He sells each bottle of wine for £4. What is the percentage profit for this transaction? purchase cost: Sale price: Profit: £30 £48 £18 Fractional profit = Actual profit Original amount = 18 30 = 0.6 Percentage profit = 60% 3 5 = £4x12=£48 Method 2

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15. An electrical retailer buys a steam iron for £16 and sells it on for £28. Find the percentage profit on this iron. Fractional profit = Actual profit Original amount = 12 16 = 0.75 Percentage profit = 75% 3 4 =

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17. 2400 9600 Beth paid £9600 for her car and sold it for £7200 two years later. Calculate her percentage loss. Fractional loss = Actual loss Original amount = = 0.25 Percentage loss = 25% 1 4 = 12 48

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19. Calculate the percentage saving on this sofa Calculating:% loss % decrease % reduction % saving Same Calculation 450 1250 Fractional Saving = Actual saving Original amount = = 0.36 Percentage saving = 36%

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21. You can buy a cooker for £400 cash or you can pay a 10% deposit and 24 monthly instalments of £19.75. 1.Work out the cost of buying this cooker on credit. 2.The percentage extra you pay on the cash price if you buy this cooker on credit. Deposit:10% of £400=£40 Instalments:24x£19.75=£474 £514 Calculating:% profit % increase % extra Same Calculation

22. © T Madas You can buy a cooker for £400 cash or you can pay a 10% deposit and 24 monthly instalments of £19.75. 1.Work out the cost of buying this cooker on credit. 2.The percentage extra you pay on the cash price if you buy this cooker on credit. Deposit:10% of £400=£40 Instalments:24x£19.75=£474 £514 Fractional Extra = Extra Amount Original amount = 114 400 = 0.285 Percentage Extra = 28.5%

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24. A certain brand of corn flakes is sold in boxes that weigh 375 grams. A promotional pack of 450 grams is to be produced in order to boost sales. This is indicated by a sticker on the box that states: … % extra for free. What percentage do you get for free according to the sticker? standard size: promotional size: increase: 375 450 75 Fractional increase = Actual increase Original amount = 75 375 = 0.2 Percentage increase = 20% 1 5 =

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26. The reprographics Department in the Northgate school charges to staple documents one penny per staple. A box of 5000 staples costs £0.99 which you may round to £1. Calculate the percentage profit made by reprographics. Cost : “Sale” : 0.02 p 1 p 5000 staplescost £1 5000 staplescost 100 p 50 staplescost 1 p 1 staplecosts 0.02 p 1 0.02 % profit = – 0.02 x 100 Actual profit cost % profit = x 100 = 4900 % !!!

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