The bar graph shows the number of books Primary 4 pupils read over a week.
- Class 4 _____ and 4 _____ read 180 books in total. Give your answers in letters. (Eg A, B)
- For every 2 books read by the pupils, they can exchange for 1 gift. How many more gifts did Class 4B exchange than Class 4D?
(a)
Number of books that pupils in Class 4C read = 70
Number of books that pupils in Class 4D read = 110
Number of books that pupils in Class 4C and 4D read
= 70 + 110
= 180
(b)
Number of books that pupils in Class 4B read more than pupils read in Class 4D
= 300 - 110
= 190
Number of gifts that pupils in Class 4B exchanged more than pupils in Class 4D
= 190 ÷ 2
= 95
Answer(s): (a) C, D; (b) 95