SOLUTION: the perimeter of a rectangle is 112 cm . the length is 30 cm . calculate the width .

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Question 781588: the perimeter of a rectangle is 112 cm . the length is 30 cm . calculate the width .
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
P=2(l+w)
w=P/2-l
w=112/2-30
w=26 cm