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 = 530
Number of doughnuts sold in November = 580
Number of more doughnuts sold in November than in October
= 580 - 530
= 50
(b)
Number of doughnuts sold in September = 400
Number of doughnuts sold in December = 680
Increase in the number of doughnuts sold in December compared to September
= 680 - 400
= 280
Percentage increase in the number of doughnuts sold in December compared to September
=
280400 x 100%
= 70%
Answer(s): (a) 50; (b) 70%