The bar graph shows the number of books Primary 5 pupils read over a week.
- Class 5 _____ and 5 _____ read 250 books in total. Give your answers in letters. (Eg A, B)
- For every 4 books read by the pupils, they can exchange for 1 gift. How many more gifts did Class 5A exchange than Class 5C?
(a)
Number of books that pupils in Class 5B read = 200
Number of books that pupils in Class 5C read = 50
Number of books that pupils in Class 5B and 5C read
= 200 + 50
= 250
(b)
Number of books that pupils in Class 5A read more than pupils read in Class 5C
= 230 - 50
= 180
Number of gifts that pupils in Class 5A exchanged more than pupils in Class 5C
= 180 ÷ 4
= 45
Answer(s): (a) B, C; (b) 45