SOLUTION: how to find breath if perimeter is 160 and length is 20

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Question 935423: how to find breath if perimeter is 160 and length is 20
Found 2 solutions by MathLover1, rothauserc:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

breath W if perimeter is P=160 and length is L=20
P=2%28L%2BW%29
160=2%2820%2BW%29
160%2F2=20%2BW
80=20%2BW
80-20=W
W=60

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
let breath be w, then
P = 2l + 2w where P is perimeter and l is length, therefore
160 = 2*20 + 2w
2w = 160 - 40
2w = 120
w = 60