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24-10-2017
Mathematics

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The perimeter of a rectangle is 400 yards. What are the dimensions of the rectangle if the length is 80 yards more than the width?

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Goliath17 Goliath17

24-10-2017

2L+2w=400
L=80+w
2(80+w)+2w=400
160+2w+2w=400
160+4w=400
4w=240
w=60
L=80+60
L=140
So, the length is 140 and the width is 60

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