The bar graph shows the number of books Primary 3 children read over a week.
- Class 3 _____ and 3 _____ read 250 books in total. Give your answers in letters. (Eg A, B)
- For every 6 books read by the children, they can exchange for 1 gift. How many more gifts did Class 3B exchange than Class 3C?
(a)
Number of books that children in Class 3A read = 160
Number of books that children in Class 3C read = 90
Number of books that children in Class 3A and 3C read
= 160 + 90
= 250
(b)
Number of books that children in Class 3B read more than children read in Class 3C
= 180 - 90
= 90
Number of gifts that children in Class 3B exchanged more than children in Class 3C
= 90 ÷ 6
= 15
Answer(s): (a) A, C; (b) 15