SOLUTION: The length and the width of the rectangle is in the ratio 3:7. The perimeter is 260 cm. Find the dimensions of the rectangle.

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Question 936185: The length and the width of the rectangle is
in the ratio 3:7. The perimeter is 260 cm.
Find the dimensions of the rectangle.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Let x represent the constant of proportionality

2(3x) + 2(7x) = 260cm

20x = 260cm

x = 13cm

L = 3(13cm)

w = 7(13cm)

.....

checking

2(3x) + 2(7x) = 260cm

78cm + 182cm = 260cm