SOLUTION: A picture frame is shaped like a rectangle whose perimeter is 130 cm. The length is 4 times as long as the width. Find the length & width.

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Question 659881: A picture frame is shaped like a rectangle whose perimeter is 130 cm. The length is 4 times as long as the width. Find the length & width.
Answer by nidatanu(4) About Me  (Show Source):
You can put this solution on YOUR website!
perimeter of rectangle = 130cm
2(l + b) = 130cm
according to question,
l = 4b
2(l + b) = 130cm
2(4b + b)= 130cm
10b = 130cm
b = 130/10
b = 13cm
l = 4b
l = 4 * 13
l = 52cm