Posted by **mike** on Wednesday, January 18, 2012 at 12:47am.

A farmer is building a square pen 21 feet on each side. He puts one post at each corner and one post every three feet in between. how many posts will he use. please give equation

- pre-algebra -
**PsyDAG**, Wednesday, January 18, 2012 at 11:28pm
There will be one post at each corner. One each side there will be posts at 3, 6, 9, 12, 15 and 18 — 6 posts on each side counting from a corner post.

I won't do the problem for you, but does this help?

## Answer This Question

## Related Questions

- math - derek planted a garden in the shape of a square 32 feet on each side. The...
- math - derek planted a garden in the shape of a square 32 feet on each side. The...
- Math-reasoning - A farmer wants to build a straight fence with a post every 7 ...
- geometry - a rectangle measures 30 feet by 20 feet and has a post at each corner...
- MATH - DEREK PLANTED A GARDEN IN THE SHAPE OF A SQUARE 32 FEET ON EACH SIDE. THE...
- math - A rectangle measures 30 feet by 20 feet and has a post at each corner. If...
- Algebra - A fence needs to be built around a field that is 100 feet long and 50 ...
- 3rd grade math - A rectangle measures 30 feet by 20 feet and has a post at each ...
- calculus optimization problem - A farmer has 460 feet of fencing with which to ...
- math - A rectangle measures 30 feet by 20 feet and has a post at each corner. If...

More Related Questions