loveb2284 loveb2284
  • 28-11-2017
  • Mathematics
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The length of a rectangle is 9 inches more than the width. the perimeter is 38 inches. find the length and the width of the rectangle.

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dannielle
dannielle dannielle
  • 28-11-2017
l=w+9

p=2w+2l
p=2w+2*(w+9)
p=2w+2w+2*9
p=4w+18
4w+18=38
4w=38-18
4w=20
w=20:4
w=5 in
l=5+9=14 in
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