SOLUTION: write an expression for the perimeter of a rectangle whose length is 3 times its width

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Question 264669: write an expression for the perimeter of a rectangle whose length is 3 times its width
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
W=width L=length P=perimeter
with use of the rectangle perimeter formula: P=2W+2L
If L=3W then
P=2W%2B2%283W%29
P=2W%2B6W
P=8W%29