The bar graph shows the number of storybooks read by the pupils in a school.
- How many pupils are there in the school?
- What percentage of the pupils in the school read at least one storybook? (Give your answer correct to the nearest whole number.)
(a)
Number of pupils in the school
= 210 + 270 + 260 + 250 + 210
= 1200
(b)
Number of pupils who read at least one storybook
= 1200 - 210
= 990
Percentage of pupils who read at least one storybook
=
9901200 x 100%
= 82.5%
≈ 83% (Correct to nearest whole number)
Answer(s): (a) 1200; (b) 83%