PSLE Look at the graph and answer the following questions.
- How many rulers did the shop sell in September?
- The number of rulers sold in November was an 40% increase from the number sold in October. How many rulers were sold in November?
(a)
Number of rulers sold in September = 25
(b)
Total number of rulers sold in November as compared to October
= 100% + 40%
= 140%
100% → 30
1% → 30 ÷ 100 = 0.3
140% → 140 x 0.3 = 42
Number of rulers sold in November = 42
Answer(s): (a) 25; (b) 42