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
= 180 + 270 + 120 + 260 + 130
= 960
(b)
Number of students who read at least three storybooks
= 960 - 180 - 270 - 120
= 390
Percentage of students who read at least three storybooks
=
390960 x 100%
= 40.625%
≈ 41% (Correct to nearest whole number)
Answer(s): (a) 960; (b) 41%