The bar graph shows the number of books Primary 6 children read over a week.
- Class 6 _____ and 6 _____ read 230 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 6B exchange than Class 6D?
(a)
Number of books that children in Class 6C read = 110
Number of books that children in Class 6D read = 120
Number of books that children in Class 6C and 6D read
= 110 + 120
= 230
(b)
Number of books that children in Class 6B read more than children read in Class 6D
= 290 - 120
= 170
Number of gifts that children in Class 6B exchanged more than children in Class 6D
= 170 ÷ 2
= 85
Answer(s): (a) C, D; (b) 85