SOLUTION: A rectangular picture has a height(length) that is five-sevenths of its width. Its area is 140 square inches. What are the dimensions of the picture.

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Question 1073275: A rectangular picture has a height(length) that is five-sevenths of its width. Its area is 140 square inches. What are the dimensions of the picture.

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let w be the width of the picture. Then its' height is 5w/7. So:
w(5w/7)=140
5w²/7=140
w²=196
w=14
The width is 14"; the length is 10". ☺☺☺☺