The bar graph shows the number of books Primary 3 children read over a week.
- Class 3 _____ and 3 _____ read 190 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 3B exchange than Class 3D?
(a)
Number of books that children in Class 3C read = 80
Number of books that children in Class 3D read = 110
Number of books that children in Class 3C and 3D read
= 80 + 110
= 190
(b)
Number of books that children in Class 3B read more than children read in Class 3D
= 210 - 110
= 100
Number of gifts that children in Class 3B exchanged more than children in Class 3D
= 100 ÷ 2
= 50
Answer(s): (a) C, D; (b) 50