SOLUTION: a rectangle has area 40m square. Express the perimeter of the rectangle as a function of its width.

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Question 905694: a rectangle has area 40m square. Express the perimeter of the rectangle as a function of its width.
Answer by Math_Boss(45) About Me  (Show Source):
You can put this solution on YOUR website!
A=40
A=l*w
40=l*w
l=40/w
P=2(l+w)
P=2%2A%2840%2Fw%2Bw%29
P%28w%29=2%2A%2840%2Fw%2Bw%29