PSLE Look at the graph and answer the following questions.
- How many staplers did the shop sell in September?
- The number of staplers sold in November was an 80% increase from the number sold in October. How many staplers were sold in November?
(a)
Number of staplers sold in September = 15
(b)
Total number of staplers sold in November as compared to October
= 100% + 80%
= 180%
100% → 10
1% → 10 ÷ 100 = 0.1
180% → 180 x 0.1 = 18
Number of staplers sold in November = 18
Answer(s): (a) 15; (b) 18