SOLUTION: The length of a rectangle is 3 times as long as the width. The perimeter is 56 inches. Find the length and width.

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Question 853890: The length of a rectangle is 3 times as long as the width. The perimeter is 56 inches. Find the length and width.
Answer by aditya2117(32) About Me  (Show Source):
You can put this solution on YOUR website!
let width is x inches.
therefore, Width = 3x inches
=> 2(3x + x) = 56
=> 4x = 28
=> x = 7
3x = 21
Ans: Length is 21 inches and width is 7 inches.