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
= 180 + 260 + 270 + 280 + 290
= 1280
(b)
Number of students who read at least two storybooks
= 1280 - 180 - 260
= 840
Percentage of students who read at least two storybooks
=
8401280 x 100%
= 65.625%
≈ 66% (Correct to nearest whole number)
Answer(s): (a) 1280; (b) 66%