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
= 270 + 160 + 280 + 270 + 220
= 1200
(b)
Number of students who read at least one storybook
= 1200 - 270
= 930
Percentage of students who read at least one storybook
=
9301200 x 100%
= 77.5%
≈ 78% (Correct to nearest whole number)
Answer(s): (a) 1200; (b) 78%