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
= 180 + 150 + 100 + 280 + 250
= 960
(b)
Number of students who read at least one storybook
= 960 - 180
= 780
Percentage of students who read at least one storybook
=
780960 x 100%
= 81.25%
≈ 81% (Correct to nearest whole number)
Answer(s): (a) 960; (b) 81%