Posted by Carlos on Monday, September 21, 2009 at 9:26pm.
You are putting up a 60 foot long fence in your backyard. According to the manufacturer's instructions, the fence posts should be equally spaced along the length of the yard. List all the possible spacing options if the amount of space between the posts is a whole number of feet. If the posts should be spaced between 8 feet and 14 feet apart, how far apart should your posts be?

6th grade math  MathMate, Monday, September 21, 2009 at 10:36pm
First determine all the factors of 60 (prime numbers or composite):
1*60
2*30
3*20
4*15
5*12
6*10
Among the 12 factors (2 per line above), which is the highest (and most economical) number that is between 8 and 14?

6th grade math  lorinda, Wednesday, September 23, 2009 at 4:16pm
10 and 12 are in the middle

6th grade math  Diamond, Friday, July 17, 2015 at 1:51pm
10

6th grade math  wendy, Friday, August 7, 2015 at 1:20am
6 divide by 10

6th grade math  Lexi, Wednesday, November 2, 2016 at 5:25pm
11
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