PSLE Look at the graph and answer the following questions.
- How many correction tapes did the shop sell in August?
- The number of correction tapes sold in November was an 25% decrease from the number sold in October. How many correction tapes were sold in November?
(a)
Number of correction tapes sold in August = 10
(b)
Total number of correction tapes sold in November as compared to October
= 100% - 25%
= 75%
100% → 20
1% → 20 ÷ 100 = 0.2
75% → 75 x 0.2 = 15
Number of correction tapes sold in November = 15
Answer(s): 10; (b) 15