The bar graph shows the number of books Primary 3 pupils read over a week.
- Class 3 _____ and 3 _____ read 300 books in total. Give your answers in letters. (Eg A, B)
- For every 5 books read by the pupils, they can exchange for 1 gift. How many more gifts did Class 3A exchange than Class 3C?
(a)
Number of books that pupils in Class 3B read = 210
Number of books that pupils in Class 3C read = 90
Number of books that pupils in Class 3B and 3C read
= 210 + 90
= 300
(b)
Number of books that pupils in Class 3A read more than pupils read in Class 3C
= 180 - 90
= 90
Number of gifts that pupils in Class 3A exchanged more than pupils in Class 3C
= 90 ÷ 5
= 18
Answer(s): (a) B, C; (b) 18