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 two storybooks? (Give your answer correct to the nearest whole number.)
(a)
Number of pupils in the school
= 280 + 100 + 110 + 170 + 140
= 800
(b)
Number of pupils who read at least two storybooks
= 800 - 280 - 100
= 420
Percentage of pupils who read at least two storybooks
=
420800 x 100%
= 52.5%
≈ 53% (Correct to nearest whole number)
Answer(s): (a) 800; (b) 53%