SOLUTION: Find the Length and the width of a rectangle if the perimeter is 32in and the length is three times the width?

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Question 598977: Find the Length and the width of a rectangle if the perimeter is 32in and the length is three times the width?
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
let l be the length
let w be the width
p= 2(l+w) = 32
l=3w
2(3w+w)= 32
w= 4
l= 12