Farmer McDonald is building a fence. He will place posts six feet apart and stretch the wire fencing between the posts. If his pasture is thirty-six feet long and twelve feet across, how many posts will he need? Please help immediately1

He needs 21 posts. Right or wrong?

Right!!! 16 posts.

I am still confused. :(

Draw a diagram, something like this. Let . represent each post.

. . .
. - .
. - .
. - .
. - .
. - .
. . .

Imagine each dot is a post 6 feet apart.

You may want to sketch this problem on graph paper.

Count the dots.

I know it! 16 posts. right or wrong?

i need help it is due tomorrow

35

45

Wrong.

Draw a diagram, noting that you put only one fence post at each corner.