The bar graph shows the number of biscuit flavours sold at a shop in a day.
- What percentage of the biscuits sold was chocolate chip biscuits? Give your answer correct to 1 decimal place.
- The cost of each biscuit was the same. The amount of money collected for banana biscuits was $20 less than the amount of money collected for apricot biscuits. What was the total amount of money collected from the sale of all the biscuits?
(a)
Total number of biscuits sold
= 90 + 90 + 30 + 100
= 310
Percentage of the biscuits sold that was apricot biscuits
=
Chocolate Chip biscuitsTotal biscuits x 100
=
30310 x 100
≈ 9.7%
(b)
Number of less banana biscuits than apricot biscuits
= 100 - 90
= 10
Cost of each biscuit
= 20 ÷ 10
= $2
Total amount collected from the sale of all the biscuits
= 310 x 2
= $620
Answer(s): (a) 9.7%; (b) $620