SOLUTION: the length of a rectangle is l and the width is w. if the width is increased by 2 units, by how many units will the perimeter be increased?

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Question 478881: the length of a rectangle is l and the width is w. if the width is increased by 2 units, by how many units will the perimeter be increased?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,



the length of a rectangle is l and the width is w:  P = 2*l + 2*w

if the width is increased by 2 units:  P = 2*l + 2(w+2) = 2*l + 2*w + 4

  perimeter is increased by 4units