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 two storybooks? (Give your answer correct to the nearest whole number.)
(a)
Number of students in the school
= 170 + 130 + 200 + 180 + 280
= 960
(b)
Number of students who read at least two storybooks
= 960 - 170 - 130
= 660
Percentage of students who read at least two storybooks
=
660960 x 100%
= 68.75%
≈ 69% (Correct to nearest whole number)
Answer(s): (a) 960; (b) 69%