The bar graph shows the number of books Primary 6 pupils read over a week.
- Class 6 _____ and 6 _____ read 320 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 6B exchange than Class 6C?
(a)
Number of books that pupils in Class 6A read = 210
Number of books that pupils in Class 6C read = 110
Number of books that pupils in Class 6A and 6C read
= 210 + 110
= 320
(b)
Number of books that pupils in Class 6B read more than pupils read in Class 6C
= 220 - 110
= 110
Number of gifts that pupils in Class 6B exchanged more than pupils in Class 6C
= 110 ÷ 5
= 22
Answer(s): (a) A, C; (b) 22