SOLUTION: The length of a rectangle is 3 times it's width. It's perimeter is 120 feet. Find it's area.

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Question 447408: The length of a rectangle is 3 times it's width. It's perimeter is 120 feet. Find it's area.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter = 120
Length 3x
Width =x ft
Perimeter =2(3x+ x)
120=8x
x= 15 ft Width
Length =45
Area = L*W
Area = 675 sq. ft
m.ananth@hotmail.ca