PSLE Look at the graph and answer the following questions.
- How many notebooks did the shop sell in August?
- The number of notebooks sold in November was an 25% decrease from the number sold in October. How many notebooks were sold in November?
(a)
Number of notebooks sold in August = 35
(b)
Total number of notebooks sold in November as compared to October
= 100% - 25%
= 75%
100% → 40
1% → 40 ÷ 100 = 0.4
75% → 75 x 0.4 = 30
Number of notebooks sold in November = 30
Answer(s): 35; (b) 30