SOLUTION: find the length and width of a rectangle if the perimeter is 1280 inches and the length is 90 inches more than the width

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Question 295546: find the length and width of a rectangle if the perimeter is 1280 inches and the length is 90 inches more than the width
Answer by faceoff57(108) About Me  (Show Source):
You can put this solution on YOUR website!
2l + 2w = P
l=90+w
2(90+w) + 2w = 1280
180+2w+2w=1280
180+4w=1280
4w=1100
w=275
l=365