PSLE Look at the graph and answer the following questions.
- How many pencils did the shop sell in September?
- The number of pencils sold in November was an 40% increase from the number sold in October. How many pencils were sold in November?
(a)
Number of pencils sold in September = 20
(b)
Total number of pencils sold in November as compared to October
= 100% + 40%
= 140%
100% → 20
1% → 20 ÷ 100 = 0.2
140% → 140 x 0.2 = 28
Number of pencils sold in November = 28
Answer(s): (a) 20; (b) 28