PSLE Look at the graph and answer the following questions.
- How many folders did the shop sell in August?
- The number of folders sold in November was an 10% decrease from the number sold in October. How many folders were sold in November?
(a)
Number of folders sold in August = 10
(b)
Total number of folders sold in November as compared to October
= 100% - 10%
= 90%
100% → 20
1% → 20 ÷ 100 = 0.2
90% → 90 x 0.2 = 18
Number of folders sold in November = 18
Answer(s): 10; (b) 18