SOLUTION: The perimeter of a rectangle is 28 ft. The length is 4 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be th
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Question 688769: The perimeter of a rectangle is 28 ft. The length is 4 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width. Answer by Stitch(470) (Show Source):
You can put this solution on YOUR website! Set-Up
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X = length
Y = width
Equation 1:
Equation 2:
Solution:
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Plug (Y + 4) into equation 1 for X
Equation 1: Simplify Combine like terms Subtract 8 from both sides Divide both sides by 4
Now plug 5 into equation 2 for Y
Equation 2:
(