The bar graph shows the number of books Primary 4 pupils read over a week.
- Class 4 _____ and 4 _____ read 350 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 4A exchange than Class 4C?
(a)
Number of books that pupils in Class 4B read = 250
Number of books that pupils in Class 4C read = 100
Number of books that pupils in Class 4B and 4C read
= 250 + 100
= 350
(b)
Number of books that pupils in Class 4A read more than pupils read in Class 4C
= 160 - 100
= 60
Number of gifts that pupils in Class 4A exchanged more than pupils in Class 4C
= 60 ÷ 6
= 10
Answer(s): (a) B, C; (b) 10