SOLUTION: A rectangular picture has a height that is 5/7 of its width. Its area is 140 square inches. What are the dimensions of the picture?

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Question 679768: A rectangular picture has a height that is 5/7
of its width. Its area is 140 square inches. What are the
dimensions of the picture?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
5x*7x=140
35x^2=140
x^2=140/35
x^2=4
x=2
5x=10
7x=14