PSLE The graph shows the number of biscuits sold each month by a new bakery from July to December.
- How many less biscuits were sold in September than in July?
- What was the percentage decrease in the number of biscuits sold in October compared to August?
(a)
Number of biscuits sold in July = 260
Number of biscuits sold in September = 180
Number of less biscuits sold in September than in July
= 260 - 180
= 80
(b)
Number of biscuits sold in August = 240
Number of biscuits sold in October = 120
Decrease in the number of biscuits sold in October compared to August
= 240 - 120
= 120
Percentage decrease in the number of biscuits sold in October compared to August
=
120240 x 100%
= 50%
Answer(s): (a) 80; (b) 50%