SOLUTION: The area of a rectangle is 128 sq. ft. If the width is twice the length, what is the measure of the length of the rectangle?

Question 945855: The area of a rectangle is 128 sq. ft. If the width is twice the length, what is the measure of the length of the rectangle?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = length in feet
y = width in feet
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a = xy
128 = xy
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y = 2x
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128 = xy
xy = 128
x*2x = 128
xx = 128/2
x = sqrt( 128/2 )
sqrt( 128/2 )
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