The bar graph shows the number of storybooks read by the students in a school.
- How many students are there in the school?
- What percentage of the students in the school read at least one storybook? (Give your answer correct to the nearest whole number.)
(a)
Number of students in the school
= 210 + 170 + 280 + 100 + 200
= 960
(b)
Number of students who read at least one storybook
= 960 - 210
= 750
Percentage of students who read at least one storybook
=
750960 x 100%
= 78.125%
≈ 78% (Correct to nearest whole number)
Answer(s): (a) 960; (b) 78%