kaitlynbto78 kaitlynbto78
  • 22-09-2020
  • Mathematics
contestada

The perimeter of a rectangle is 160 meters. The length is 20 meters greater than the width. Find the dimensions of the rectangle.

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salukhalid
salukhalid salukhalid
  • 22-09-2020

Width=w

Length=l

Perimeter=p

p=2w+2l

l=20+w

p=2w+20+w+20+w

p=4w+40

4w+40=160

4w=160-40=120

w=120:4=30

w=30

l=20+w

l=20+30=50

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