PSLE Look at the graph and answer the following questions.
- How many correction tapes did the shop sell in September?
- The number of correction tapes sold in November was an 10% increase from the number sold in October. How many correction tapes were sold in November?
(a)
Number of correction tapes sold in September = 15
(b)
Total number of correction tapes sold in November as compared to October
= 100% + 10%
= 110%
100% → 10
1% → 10 ÷ 100 = 0.1
110% → 110 x 0.1 = 11
Number of correction tapes sold in November = 11
Answer(s): (a) 15; (b) 11