SOLUTION: The width of a rectangle is one-third the length. The perimeter is 48cm. Find the length and width.

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Question 63715: The width of a rectangle is one-third the length. The perimeter is 48cm. Find the length and width.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
W=L/3
P=2*L+2*W
48=2*L+2*(L/3)
48=2L+2L/3
48=(6L+2L)/3
48*3=8L
8L=144
L=144/8
L=18 SOLUTION . THEN
W=18/3
L=6 SOLUTION
PROOF
48=2*18+2*6
48=36=12
48=48