SOLUTION: The lenght of a rectangle is three times its witdth. The perimeter of the rectangle is 64 inches. Find the dimensions of the rectangle

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Question 989667: The lenght of a rectangle is three times its witdth. The perimeter of the rectangle is 64 inches. Find the dimensions of the rectangle
Answer by ikleyn(52864) About Me  (Show Source):
You can put this solution on YOUR website!
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You have the system of two equations:

1) x + y = 64%2F2 = 32     and
2) x = 3y.

Substitute the second equation into the first one.  You will get

3y + y = 32.

Solve it.