The bar graph shows the number of books Primary 1 children read over a week.
- Class 1 _____ and 1 _____ read 270 books in total. Give your answers in letters. (Eg A, B)
- For every 4 books read by the children, they can exchange for 1 gift. How many more gifts did Class 1A exchange than Class 1C?
(a)
Number of books that children in Class 1B read = 210
Number of books that children in Class 1C read = 60
Number of books that children in Class 1B and 1C read
= 210 + 60
= 270
(b)
Number of books that children in Class 1A read more than children read in Class 1C
= 160 - 60
= 100
Number of gifts that children in Class 1A exchanged more than children in Class 1C
= 100 ÷ 4
= 25
Answer(s): (a) B, C; (b) 25