Asked by Amy

need help
upright posts are to be placed at 9 inch intervals on 3 sides of a deck which measures at a total of 36 ft. How many post are needed.
36/3 = 12 am I on the right track?
Answered by Anonymous
yes, but there's a pole on each end.
Answered by PsyDAG
12 * 12 = 144 inches on each side.

144/9 = 16

(16*3)+2 = ?
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