Which pair of numbers is relatively prime? A. 5 and 75 B. 12 and 51 C. 7 and 20 D. 15 and 21

2 answers:

8 0

The only number not divisible by anything except itself and 1, was C. 7

5 0

The answer is C 7 and 20

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I think it's the Multiplication Property of Equality.

Hope this helps you! :)

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