Xavitheking1477 Xavitheking1477

04-09-2018
Mathematics

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The length of a rectangular field is 7 m less than 4times the width. The perimeter is 136 m. Find thewidth and the length of the rectangle.

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tramserran tramserran

07-09-2018

Length (L): 4w - 7

width (w): w

Perimeter (P) = 2L + 2w

136 = 2(4w -7) + 2(w)

136 = 8w - 14 + 2w

136 = 10w - 14

150 = 10w

15 = w

Length (L): 4w - 7 = 4(15) - 7 = 60 - 7 = 53

Answer: width=15 m, length=53 m

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