What is the ratio of 3/7 to the product 3(7/3)?

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问题 What is the ratio of 3/7 to the product 3(7/3)?

选项 A、3:7
B、1:3
C、3:21
D、1:7
E、3:49

答案E

解析 can be restated as 7. If you multiply 7 times both numbers to get rid of the fraction in 3/7, you get 3 and 49.

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