SOLUTION: The area of a rectangle is 162 feet squared. If the length is twice the width, what is the length?

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Question 821005: The area of a rectangle is 162 feet squared. If the length is twice the width, what is the length?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
The area of a rectangle is 162 feet squared.
If the length is twice the width green%28w%29, what is the length? length green%282x%29

Area = lw = (2x)x
2x^2 = 162ft^2
x^2 = 81 ft^2
x = 9 ft the width (tossing out negative solution for unit measure
The length is highlight%2818ft%29