SOLUTION: The perimeter of a rectangular playing field is not to exceed 280ft. The width is to be 20 ft less than the length. What widths will meet these conditions?

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Question 313185: The perimeter of a rectangular playing field is not to exceed 280ft. The width is to be 20 ft less than the length. What widths will meet these conditions?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
P = 2L + 2W
width = x - 20
length = x
280 = 2(x) + 2(x - 20)
Can you finish?