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
= 260 + 180 + 270 + 280 + 260
= 1250
(b)
Number of pupils who read at least one storybook
= 1250 - 260
= 990
Percentage of pupils who read at least one storybook
=
9901250 x 100%
= 79.2%
≈ 79% (Correct to nearest whole number)
Answer(s): (a) 1250; (b) 79%