O-LevelMathematicsNumber4024/22 · Oct/Nov 2015 · Q18 Marks
Fatima and Mohammed buy new bikes.
- (a)(i)(a)Fatima buys a city bike costing $360. She pays 60% of the cost then pays $15 per month for 12 months. How much does Fatima pay altogether?[2]
- (a)(i)(b)Express this amount as a percentage of the original cost.[1]
- (a)(ii)Mohammed pays $569.80 for a mountain bike in a sale. The original price had been reduced by 26%. Calculate the original price of the mountain bike.[2]
- (b)The rate of exchange between pounds (£) and dollars is £1 = $1.87 . The rate of exchange between pounds (£) and euros (€) is £1 = € x . Rose changed $850 and received €550 . Calculate x.[3]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2015). The mark or mark type is shown in brackets.
- [2] M1 for 60/100 × 360 + 15×12 or B1 for 60/100 × 360 seen
- 396
- [1ft] 110 isw
- [2] M1 for x / (1 - 26/100) = 569.80 oe or B1 for by figs 74
- 770
- [3] M2 for 850 / 1.87 = 550 / x oe or B1 for 850 / 1.87 or 850 / x or 1.87 / x or 550 / 850
- 1.21
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