The bar graph shows the number of books Primary 1 pupils read over a week.
- Class 1 _____ and 1 _____ read 190 books in total. Give your answers in letters. (Eg A, B)
- For every 6 books read by the pupils, they can exchange for 1 gift. How many more gifts did Class 1B exchange than Class 1D?
(a)
Number of books that pupils in Class 1C read = 100
Number of books that pupils in Class 1D read = 90
Number of books that pupils in Class 1C and 1D read
= 100 + 90
= 190
(b)
Number of books that pupils in Class 1B read more than pupils read in Class 1D
= 240 - 90
= 150
Number of gifts that pupils in Class 1B exchanged more than pupils in Class 1D
= 150 ÷ 6
= 25
Answer(s): (a) C, D; (b) 25