The bar graph shows the number of books Primary 5 pupils read over a week.
- Class 5 _____ and 5 _____ read 260 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 5B exchange than Class 5C?
(a)
Number of books that pupils in Class 5A read = 190
Number of books that pupils in Class 5C read = 70
Number of books that pupils in Class 5A and 5C read
= 190 + 70
= 260
(b)
Number of books that pupils in Class 5B read more than pupils read in Class 5C
= 180 - 70
= 110
Number of gifts that pupils in Class 5B exchanged more than pupils in Class 5C
= 110 ÷ 2
= 55
Answer(s): (a) A, C; (b) 55