SOLUTION: The perimeter of a rectangular wooden deck is 90 ft.². The deck's length is 5 feet less than four times it's width. Which system of linear equations can be used to determine t

Algebra ->  Equations -> SOLUTION: The perimeter of a rectangular wooden deck is 90 ft.². The deck's length is 5 feet less than four times it's width. Which system of linear equations can be used to determine t      Log On


   

Question 1068629: The perimeter of a rectangular wooden deck is 90 ft.². The deck's length is 5 feet less than four times it's width. Which system of linear equations can be used to determine the length, L, and width, W, of the wooden deck? Show work
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w width
L length
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2w%2B2L=90
w%2BL=45
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L=4w-5

System of equations: system%28w%2BL=45%2CL=4w-5%29

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
Your condition is FATALLY wrong.

The perimeter never measures in ft^2.