The bar graph shows the number of books Primary 5 students read over a week.
- Class 5 _____ and 5 _____ read 260 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 5B exchange than Class 5D?
(a)
Number of books that students in Class 5C read = 90
Number of books that students in Class 5D read = 170
Number of books that students in Class 5C and 5D read
= 90 + 170
= 260
(b)
Number of books that students in Class 5B read more than students read in Class 5D
= 230 - 170
= 60
Number of gifts that students in Class 5B exchanged more than students in Class 5D
= 60 ÷ 3
= 20
Answer(s): (a) C, D; (b) 20