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
= 150 + 110 + 290 + 170 + 160
= 880
(b)
Number of students who read at least three storybooks
= 880 - 150 - 110 - 290
= 330
Percentage of students who read at least three storybooks
=
330880 x 100%
= 37.5%
≈ 38% (Correct to nearest whole number)
Answer(s): (a) 880; (b) 38%