PSLE The graph shows the number of wafers sold each month by a new bakery from January to June.
- How many more wafers were sold in April than in February?
- What was the percentage increase in the number of wafers sold in May compared to January?
(a)
Number of wafers sold in February = 300
Number of wafers sold in April = 530
Number of more wafers sold in April than in February
= 530 - 300
= 230
(b)
Number of wafers sold in January = 220
Number of wafers sold in May = 660
Increase in the number of wafers sold in May compared to January
= 660 - 220
= 440
Percentage increase in the number of wafers sold in May compared to January
=
440220 x 100%
= 200%
Answer(s): (a) 230; (b) 200%