The area of a rectangular wall of a barn is 64 square feet. Its length is 8 feet longer than twice its width. Find the length and width of the wall of the barn.
(1) Answers
l×w=64 ft^2...(1) 2w+8= l...(2) l=64-w...(1a) 2w+8= 64-w 2w+w+8=64 3w=64-8 3w÷3= 56÷3 w=18.6' l×w= 64 l×18.6= 64 l= 64÷18.6 l= 3.44 to the nearest hundredths.
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