SOLUTION: A rectangular room is twice as long as it is wide, and its perimeter is 60 meters. Find the width of the room.

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Question 818366: A rectangular room is twice as long as it is wide, and its perimeter is 60 meters. Find the width of the room.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x for length, unknown
w for width, unknown and asked to find
p for perimeter, known

x=2w, according to description
2x%2B2w=p
Using substitution, 2%282w%29%2B2w=p
4w%2B2w=p
6w=p
highlight%28w=p%2F6%29