SOLUTION: I need help on this question i tried 2,3,and 4 but are too high."The perimeter of rectangle is 30 inches. If its length is 3 times it's width find the dimensions."

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Question 853067: I need help on this question i tried 2,3,and 4 but are too high."The perimeter of rectangle is 30 inches. If its length is 3 times it's width find the dimensions."
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,



Let w represent the width

P = 2L + 2w = 30in   

0r  L + w = 15in

   3w + w = 15

    4w = 15

     w = 15/4 in and length is 45/4 in 

Dimensions are 

   3 3/4 by 11 1/4 inches