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 20% increase from the number sold in October. How many notebooks were sold in November?
(a)
Number of notebooks sold in September = 5
(b)
Total number of notebooks sold in November as compared to October
= 100% + 20%
= 120%
100% → 25
1% → 25 ÷ 100 = 0.25
120% → 120 x 0.25 = 30
Number of notebooks sold in November = 30
Answer(s): (a) 5; (b) 30