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April 18, 2014

April 18, 2014

Posted by **steph** on Tuesday, November 15, 2011 at 12:04pm.

- 3rd grade math -
**Writeacher**, Tuesday, November 15, 2011 at 1:01pmI would have to find a piece of graph paper and draw it out for myself! But let me see if this is right:

All totaled, there would be 100 feet of fencing, so it seems there would be 50 posts.**BUT**4 of those posts (the corner posts) would be counted twice, right?

So is this right?

30+30+20+20 = 100

100/2 = 50

50 - 4 = ??

- 3rd grade math -
**bobpursley**, Tuesday, November 15, 2011 at 1:19pmIf you start at one corner, it is 100 feet around, so each 2 feet place a post, or 50 posts.

To visualize this, sketch a 20x30 rectange, and place a post every 10 feet. Count the posts. You get 100/10=10 posts.

- 3rd grade math -
**luis**, Monday, November 21, 2011 at 7:54pmhow many packages of ribbon will sarah buy?

- 3rd grade math -
**James**, Sunday, June 3, 2012 at 9:06pmI definitely know the answer to that one, luis. It's probably around 58,007,450 packages of ribbon.

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