The bar graph shows the number of books Primary 5 children read over a week.
- Class 5 _____ and 5 _____ read 280 books in total. Give your answers in letters. (Eg A, B)
- For every 2 books read by the children, they can exchange for 1 gift. How many more gifts did Class 5B exchange than Class 5D?
(a)
Number of books that children in Class 5C read = 110
Number of books that children in Class 5D read = 170
Number of books that children in Class 5C and 5D read
= 110 + 170
= 280
(b)
Number of books that children in Class 5B read more than children read in Class 5D
= 260 - 170
= 90
Number of gifts that children in Class 5B exchanged more than children in Class 5D
= 90 ÷ 2
= 45
Answer(s): (a) C, D; (b) 45