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3/7 of what number = 21
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3/7 of what number = 21

User Makudex
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2 Answers

2 votes
The answer is 9 because 1/7 of 21 is 3 so 3 * 3 =9
User Neverwalkaloner
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9.2k points
1 vote
9 Im 100 % sure i did this too 3/7 of 21:
The "mathematical version" of "of" is "x" or "times"

So:
3/7*21
=21*3/7
=63/7
=9

3/7 of 21 miles is 9
User Mcope
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9.1k points
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