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 = 430
Number of doughnuts sold in September = 360
Number of less doughnuts sold in September than in July
= 430 - 360
= 70
(b)
Number of doughnuts sold in August = 400
Number of doughnuts sold in October = 220
Decrease in the number of doughnuts sold in October compared to August
= 400 - 220
= 180
Percentage decrease in the number of doughnuts sold in October compared to August
=
180400 x 100%
= 45%
Answer(s): (a) 70; (b) 45%