SOLUTION: A rectangular lawn has sides which measure x − 5 feet and 3x feet. The perimeter is 46 feet. Find the length of each side of the lawn.

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Question 1135101: A rectangular lawn has sides which measure x − 5 feet and 3x feet. The perimeter is 46 feet. Find the length of each side of the lawn.
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
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The perimeter = (x-5) + 3x + (x-5) + 3x = 8x - 10 feet,


so your equation for x is


    8x - 10 = 46,   or

    8x = 46 + 10 = 56,   which implies

     x = 56/8 = 7 feet.


Then the sides of the lawn are  x-5 = 7-5 = 2 ft   and   3x = 3*7 = 21 feet.    ANSWER

Solved.

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