SOLUTION: If the ratio of the length of a rectangle to its width is 5 to 3, and the length is 70 centimeters, find its width. (USE A PROPORTION TO SOLVE.) I need the equation and the solut

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Question 415854: If the ratio of the length of a rectangle to its width is 5 to 3, and the length is 70 centimeters, find its width. (USE A PROPORTION TO SOLVE.)
I need the equation and the solution checked out.

Answer by Mr.Math(29)   (Show Source): You can put this solution on YOUR website!
Let the width of a rectangle is "x".
Then the proportion will be the next:

Express "x":



Answer: the width of a rectangle is 42 centimeters.

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