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 one storybook? (Give your answer correct to the nearest whole number.)
(a)
Number of students in the school
= 140 + 300 + 220 + 210 + 250
= 1120
(b)
Number of students who read at least one storybook
= 1120 - 140
= 980
Percentage of students who read at least one storybook
=
9801120 x 100%
= 87.5%
≈ 88% (Correct to nearest whole number)
Answer(s): (a) 1120; (b) 88%