The bar graph shows the number of storybooks read by the students in a school.
- How many students are there in the school?
- What percentage of the students in the school read at least three storybooks? (Give your answer correct to the nearest whole number.)
(a)
Number of students in the school
= 190 + 300 + 110 + 200 + 160
= 960
(b)
Number of students who read at least three storybooks
= 960 - 190 - 300 - 110
= 360
Percentage of students who read at least three storybooks
=
360960 x 100%
= 37.5%
≈ 38% (Correct to nearest whole number)
Answer(s): (a) 960; (b) 38%