PSLE The graph shows the number of doughnuts sold each month by a new bakery from July to December.
- How many more doughnuts were sold in November than in October?
- What was the percentage increase in the number of doughnuts sold in December compared to September?
(a)
Number of doughnuts sold in October = 500
Number of doughnuts sold in November = 570
Number of more doughnuts sold in November than in October
= 570 - 500
= 70
(b)
Number of doughnuts sold in September = 400
Number of doughnuts sold in December = 620
Increase in the number of doughnuts sold in December compared to September
= 620 - 400
= 220
Percentage increase in the number of doughnuts sold in December compared to September
=
220400 x 100%
= 55%
Answer(s): (a) 70; (b) 55%