1 Answer

Ryan Augustine · Answer 1 · 2022-09-27T22:13:38+0000

Answer:

9 for the first fraction, and 7 for the second.

Explanation:

Whatever you do to the bottom has to be done to the top. You multiply 7 by 3 to get 21, go multiply 3 by 3 to get 9. You multiply 3 by 7 to get 21, so multiply 1 by 7 to get 7.

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