SOLUTION: A rectangle has a width of w units. If the length is four less than three times the width, find the area AND perimeter of the rectangle.

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Question 959368: A rectangle has a width of w units. If the length is four less than three times the width, find the area AND perimeter of the rectangle.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
W=width; L=length=3W-4; A=area; P=perimeter
A=LW=%283W-4%29%28W%29=3W%5E2-4W
ANSWER 1: Area is 3W%5E2-4W
P=2%28L%2BW%29=2%283W-4%2BW%29=8W-8=8%28W-1%29
ANSWER 2: The perimeter is 8(W-1)