The bar graph shows the number of books Primary 4 students read over a week.
- Class 4 _____ and 4 _____ read 390 books in total. Give your answers in letters. (Eg A, B)
- For every 4 books read by the students, they can exchange for 1 gift. How many more gifts did Class 4A exchange than Class 4C?
(a)
Number of books that students in Class 4B read = 290
Number of books that students in Class 4C read = 100
Number of books that students in Class 4B and 4C read
= 290 + 100
= 390
(b)
Number of books that students in Class 4A read more than students read in Class 4C
= 180 - 100
= 80
Number of gifts that students in Class 4A exchanged more than students in Class 4C
= 80 ÷ 4
= 20
Answer(s): (a) B, C; (b) 20