PSLE The graph shows the number of doughnuts sold each month by a new bakery from July to December.
- How many less doughnuts were sold in September than in July?
- What was the percentage decrease in the number of doughnuts sold in October compared to August?
(a)
Number of doughnuts sold in July = 540
Number of doughnuts sold in September = 420
Number of less doughnuts sold in September than in July
= 540 - 420
= 120
(b)
Number of doughnuts sold in August = 500
Number of doughnuts sold in October = 360
Decrease in the number of doughnuts sold in October compared to August
= 500 - 360
= 140
Percentage decrease in the number of doughnuts sold in October compared to August
=
140500 x 100%
= 28%
Answer(s): (a) 120; (b) 28%