mmartinez27819 mmartinez27819

25-09-2016
Mathematics

contestada

The perimeter of a rectangle is 98 m. The length of the rectangle is 9 m more than four times the width. Find the dimensions of the rectangle.

Respuesta :

jhonyy9 jhonyy9

25-09-2016

p=98 m

l +9=4w

p=2l+2w

98=2(4w-9) +2w

98 = 8w-18+2w

116=10w

w=11,6 m

l = 4w-9 = 4*11,6 -9 = 46,4 -9 = 37,4 m

w=11,6 m
l= 37,4 m

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