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 = 370
Number of doughnuts sold in November = 390
Number of more doughnuts sold in November than in October
= 390 - 370
= 20
(b)
Number of doughnuts sold in September = 250
Number of doughnuts sold in December = 420
Increase in the number of doughnuts sold in December compared to September
= 420 - 250
= 170
Percentage increase in the number of doughnuts sold in December compared to September
=
170250 x 100%
= 68%
Answer(s): (a) 20; (b) 68%