PSLE Look at the graph and answer the following questions.
- How many rulers did the shop sell in August?
- The number of rulers sold in November was an 30% decrease from the number sold in October. How many rulers were sold in November?
(a)
Number of rulers sold in August = 25
(b)
Total number of rulers sold in November as compared to October
= 100% - 30%
= 70%
100% → 10
1% → 10 ÷ 100 = 0.1
70% → 70 x 0.1 = 7
Number of rulers sold in November = 7
Answer(s): 25; (b) 7