PSLE Look at the graph and answer the following questions.
- How many notebooks did the shop sell in September?
- The number of notebooks sold in November was an 40% increase from the number sold in October. How many notebooks were sold in November?
(a)
Number of notebooks sold in September = 25
(b)
Total number of notebooks sold in November as compared to October
= 100% + 40%
= 140%
100% → 45
1% → 45 ÷ 100 = 0.45
140% → 140 x 0.45 = 63
Number of notebooks sold in November = 63
Answer(s): (a) 25; (b) 63