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 ratio of the laptops sold by store A to that of the laptops sold by store D ?
1
3 : 5
2
5 : 3
3
2 : 5
4
5 : 2