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 three storybooks? (Give your answer correct to the nearest whole number.)
(a)
Number of pupils in the school
= 190 + 180 + 170 + 230 + 190
= 960
(b)
Number of pupils who read at least three storybooks
= 960 - 190 - 180 - 170
= 420
Percentage of pupils who read at least three storybooks
=
420960 x 100%
= 43.75%
≈ 44% (Correct to nearest whole number)
Answer(s): (a) 960; (b) 44%