The bar graph shows the number of books Primary 1 students read over a week.
- Class 1 _____ and 1 _____ read 270 books in total. Give your answers in letters. (Eg A, B)
- For every 5 books read by the students, they can exchange for 1 gift. How many more gifts did Class 1A exchange than Class 1C?
(a)
Number of books that students in Class 1B read = 180
Number of books that students in Class 1C read = 90
Number of books that students in Class 1B and 1C read
= 180 + 90
= 270
(b)
Number of books that students in Class 1A read more than students read in Class 1C
= 220 - 90
= 130
Number of gifts that students in Class 1A exchanged more than students in Class 1C
= 130 ÷ 5
= 26
Answer(s): (a) B, C; (b) 26