PSLE Look at the graph and answer the following questions.
- How many pens did the shop sell in September?
- The number of pens sold in November was an 20% increase from the number sold in October. How many pens were sold in November?
(a)
Number of pens sold in September = 45
(b)
Total number of pens sold in November as compared to October
= 100% + 20%
= 120%
100% → 35
1% → 35 ÷ 100 = 0.35
120% → 120 x 0.35 = 42
Number of pens sold in November = 42
Answer(s): (a) 45; (b) 42