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

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

Algebra.Com

Question 264669: write an expression for the perimeter of a rectangle whose length is 3 times its width
Answer by JBarnum(2146) (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

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