O-LevelMathematicsNumber4024/21 · May/June 2017 · Q26 Marks
In 2016 Amira's income was $36720.
- (a)This was 2% more than her income in 2015. What was her income in 2015?[2]
- (b)In 2016, Amira used her income of $36720 in the following way. $12000 was used for rent. 2/5 of her income was used for food and to pay bills. 15% of her income was spent on leisure. The rest of her income was saved. What percentage of her income did she save?[4]
Mark scheme
Marking points from the official mark scheme (May/June 2017). The mark or mark type is shown in brackets.
- [2] 36000
- [1] M1 for seeing 36720 as 102[%]
- [4] 12.3
- [1] B1 for 14 688 or 40%
- [1] B1 for 5508 or 32.6[%] to 32.7[%] or 0.326 to 0.327
- [1] M1 for 36720-their14688 – their5508-12000 / 36720 or 100 - (15 + their32.7 + their40)
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