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
= 130 + 250 + 300 + 300 + 300
= 1280
(b)
Number of pupils who read at least three storybooks
= 1280 - 130 - 250 - 300
= 600
Percentage of pupils who read at least three storybooks
=
6001280 x 100%
= 46.875%
≈ 47% (Correct to nearest whole number)
Answer(s): (a) 1280; (b) 47%