SOLUTION: its summer and i forgot how to do these kind of problems please help me understand it, the area of a rectangle is 48 sq ft. find all side lengths. the length is 3x and width is 4x

Algebra ->  Rectangles -> SOLUTION: its summer and i forgot how to do these kind of problems please help me understand it, the area of a rectangle is 48 sq ft. find all side lengths. the length is 3x and width is 4x      Log On


   



Question 326198: its summer and i forgot how to do these kind of problems please help me understand it, the area of a rectangle is 48 sq ft. find all side lengths. the length is 3x and width is 4x
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x*4x=48
12x^2=48
x^2=4
x=2
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3*2*4*2=48