SOLUTION: The length of a rectangle is equal to 3 times it's width. If the perimeter is equal to 240 ft. What is the lenght of the rectangle?
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Question 150280: The length of a rectangle is equal to 3 times it's width. If the perimeter is equal to 240 ft. What is the lenght of the rectangle?
Answer by mangopeeler07(462) (Show Source): You can put this solution on YOUR website!
length=3w
width=w
2(3w)+2(w)=240
6w+2w=240
8w=240
w=30
length=3(30)
length=90
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