The bar graph shows the number of books Primary 4 children read over a week.
- Class 4 _____ and 4 _____ read 320 books in total. Give your answers in letters. (Eg A, B)
- For every 5 books read by the children, they can exchange for 1 gift. How many more gifts did Class 4A exchange than Class 4C?
(a)
Number of books that children in Class 4B read = 230
Number of books that children in Class 4C read = 90
Number of books that children in Class 4B and 4C read
= 230 + 90
= 320
(b)
Number of books that children in Class 4A read more than children read in Class 4C
= 190 - 90
= 100
Number of gifts that children in Class 4A exchanged more than children in Class 4C
= 100 ÷ 5
= 20
Answer(s): (a) B, C; (b) 20