The bar graph shows the number of biscuit flavours sold at a shop in a day.
- What percentage of the biscuits sold was vanilla biscuits? Give your answer correct to 1 decimal place.
- The cost of each biscuit was the same. The amount of money collected for chocolate chip biscuits was $10 less than the amount of money collected for strawberry biscuits. What was the total amount of money collected from the sale of all the biscuits?
(a)
Total number of biscuits sold
= 70 + 85 + 25 + 90
= 270
Percentage of the biscuits sold that was strawberry biscuits
=
Vanilla biscuitsTotal biscuits x 100
=
25270 x 100
≈ 9.3%
(b)
Number of less chocolate chip biscuits than strawberry biscuits
= 90 - 85
= 5
Cost of each biscuit
= 10 ÷ 5
= $2
Total amount collected from the sale of all the biscuits
= 270 x 2
= $540
Answer(s): (a) 9.3%; (b) $540