The bar graph shows the number of books Primary 6 students read over a week.
- Class 6 _____ and 6 _____ read 220 books in total. Give your answers in letters. (Eg A, B)
- For every 3 books read by the students, they can exchange for 1 gift. How many more gifts did Class 6B exchange than Class 6C?
(a)
Number of books that students in Class 6A read = 170
Number of books that students in Class 6C read = 50
Number of books that students in Class 6A and 6C read
= 170 + 50
= 220
(b)
Number of books that students in Class 6B read more than students read in Class 6C
= 200 - 50
= 150
Number of gifts that students in Class 6B exchanged more than students in Class 6C
= 150 ÷ 3
= 50
Answer(s): (a) A, C; (b) 50