PSLE Look at the graph and answer the following questions.
- How many notebooks did the shop sell in March?
- The number of notebooks sold in May was an 40% increase from the number sold in April. How many notebooks were sold in May?
(a)
Number of notebooks sold in March = 20
(b)
Total number of notebooks sold in May as compared to April
= 100% + 40%
= 140%
100% → 50
1% → 50 ÷ 100 = 0.5
140% → 140 x 0.5 = 70
Number of notebooks sold in May = 70
Answer(s): (a) 20; (b) 70