PSLE The graph shows the number of puffs sold each month by a new bakery from January to June.
- How many more puffs were sold in May than in April?
- What was the percentage increase in the number of puffs sold in June compared to March?
(a)
Number of puffs sold in April = 150
Number of puffs sold in May = 170
Number of more puffs sold in May than in April
= 170 - 150
= 20
(b)
Number of puffs sold in March = 100
Number of puffs sold in June = 320
Increase in the number of puffs sold in June compared to March
= 320 - 100
= 220
Percentage increase in the number of puffs sold in June compared to March
=
220100 x 100%
= 220%
Answer(s): (a) 20; (b) 220%