mkidane1 mkidane1
  • 26-04-2017
  • Mathematics
contestada

The perimeter of a rectangle is 30 feet. The difference between the length and the width is 1 foot. Find the width.

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kpappas234
kpappas234 kpappas234
  • 26-04-2017
the answer is 30 because 30 times 1 equals 30
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AnnabethChase139
AnnabethChase139 AnnabethChase139
  • 26-04-2017
2x + 2y = 30
x - y = 1

2x + 2y = 30
-2x + 2y = -60

4y = -30
y = 7.5

x = 8


The width would be 7.5 ft.
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