SOLUTION: The length of a rectangular room is 9 feet longer than twice the width. If the room's perimeter is 210 feet, what are the rooms dimensions?

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Question 1089499: The length of a rectangular room is 9 feet longer than twice the width. If the room's perimeter is 210 feet, what are the rooms dimensions?
Found 2 solutions by josgarithmetic, addingup:
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
w, width

2w%2B2%282w%2B9%29=210
-
w%2B2w%2B9=105
3w%2B9=105
3w=96


w=32
and
2w%2B9=73

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
2L+2W = 210
and
L = 2W+9 substitute for L above:
2(2W+9)+2W = 210
4W+18+2W = 210
6W = 192
W = 32
and the length is 2W+9 = 2(32)+9 = 64+9 = 73