SOLUTION: A rectangle is 4 times as long as it is wide. The perimeter of a rectangle is 50cm. what are the dimensions of the rectangle?

SOLUTION: A rectangle is 4 times as long as it is wide. The perimeter of a rectangle is 50cm. what are the dimensions of the rectangle?

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Question 1025229: A rectangle is 4 times as long as it is wide. The perimeter of a rectangle is 50cm. what are the dimensions of the rectangle?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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W=width; L=length=4W
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P=2(L+W)
50cm=2(L+W)
25cm=L+W
25cm=4W+W
25cm=5W
5cm=W
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L=4W=4(5cm)=20cm
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ANSWER: Length is 20cm and width is 5cm.
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CHECK:
P=2(L+W)
50cm=2(20cm+5cm)
50cm=2(25cm)
50cm=50cm
.

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