The bar graph shows the number of books Primary 5 children read over a week.
- Class 5 _____ and 5 _____ read 250 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 5A exchange than Class 5C?
(a)
Number of books that children in Class 5B read = 200
Number of books that children in Class 5C read = 50
Number of books that children in Class 5B and 5C read
= 200 + 50
= 250
(b)
Number of books that children in Class 5A read more than children read in Class 5C
= 220 - 50
= 170
Number of gifts that children in Class 5A exchanged more than children in Class 5C
= 170 ÷ 2
= 85
Answer(s): (a) B, C; (b) 85