Comprehension Passage
Based on the data given, answer the five question that follow.
Consider the five stores (A, B, C, D and E) have sold 2400 laptops. Let the percentages of laptops sold by A, B, C, D and E be 15%, 25%, 30%, 9%, and 21% respectively.
What is the difference between the number of laptops sold by store C and the total number of laptops sold by stores A and D together?
1
36
2
144
3
72
4
180