The bar graph shows the number of books Primary 5 pupils read over a week.
- Class 5 _____ and 5 _____ read 310 books in total. Give your answers in letters. (Eg A, B)
- For every 6 books read by the pupils, they can exchange for 1 gift. How many more gifts did Class 5B exchange than Class 5C?
(a)
Number of books that pupils in Class 5A read = 200
Number of books that pupils in Class 5C read = 110
Number of books that pupils in Class 5A and 5C read
= 200 + 110
= 310
(b)
Number of books that pupils in Class 5B read more than pupils read in Class 5C
= 200 - 110
= 90
Number of gifts that pupils in Class 5B exchanged more than pupils in Class 5C
= 90 ÷ 6
= 15
Answer(s): (a) A, C; (b) 15