SOLUTION: If the length of a rectangle is 3 times the width and the area is 72 square inches, what are the length and the width?

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Question 894049: If the length of a rectangle is 3 times the width and the area is 72 square inches, what are the length and the width?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
w is for width
L is for length
L=3w and wL=72, the area.

SUBSTITUTE!
w%2A3w=72
3w%5E2=72

Finish this!