Write an expression to model the perimeter of a football field if the length of a football field is three-fourths the width of the football field. (With steps)
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Answer:Perimeter = width*7/2Step-by-step explanation:Perimeter = 2(length + width)In this case:length = width*3/4Then:Perimeter = 2((width*3/4) + width)Perimeter = 2 ((widt*3/4) + (width4*4))Perimeter = 2(width*7/4)Perimeter = width*14/4Perimeter = width*7/2