SOLUTION: the product of two numbers is 20. if one of the number is 6/7, what is the other number?

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Question 709481:

the product of two numbers is 20. if one of the number is 6/7, what is the other number?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
(6/7)X=20
X=20/(6/7
X=20(7/6)
X=140/6
X=23 1/3 ANS.
PROOF:
6/7(23 1/3)=20
6/7(23*3+1)/3=20
6/7(69+1)/3=20
6/7*70/3=20
6*70/7*3=20
420/21=20
20=20