The bar graph shows the number of books Primary 3 pupils read over a week.
- Class 3 _____ and 3 _____ read 270 books in total. Give your answers in letters. (Eg A, B)
- For every 2 books read by the pupils, they can exchange for 1 gift. How many more gifts did Class 3A exchange than Class 3C?
(a)
Number of books that pupils in Class 3B read = 220
Number of books that pupils in Class 3C read = 50
Number of books that pupils in Class 3B and 3C read
= 220 + 50
= 270
(b)
Number of books that pupils in Class 3A read more than pupils read in Class 3C
= 240 - 50
= 190
Number of gifts that pupils in Class 3A exchanged more than pupils in Class 3C
= 190 ÷ 2
= 95
Answer(s): (a) B, C; (b) 95