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 ->  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

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

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(12670) About Me  (Show Source):
You can put this solution on YOUR website!
3x*4x=48
12x^2=48
x^2=4
x=2
--------------
3*2*4*2=48