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Old Sunday, February 21st, 2010   #1
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Default Math Problem

On a farm there are three-legged-cows and chickens. There are a total of 52 heads and 146 legs. How many three legged cows are on the farm?

Feel like you are back in middle school? Jasmine and Jenna are working on it.

Can someone here get the answer first?

120 seconds should be more than enough time to figure it out.

-Raymond

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Old Sunday, February 21st, 2010   #2
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Default Re: Math Problem

That lasted about 30 seconds before it was more fun to play guitar hero.

No trip for the winner to the ice cream shop down the street ...
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Old Sunday, February 21st, 2010   #3
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Default Re: Math Problem

SPOILER ALERT !!!





































Here is how I solved it. I estimated a reasonable starting guess, checked the math, and tracked shifting a head from chicken to cow in a table until I had the correct answer. 42

Math Problem-math-problem.jpg
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Old Sunday, February 21st, 2010   #4
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Default Re: Math Problem

I did 52x2=104
146-104=42
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Old Monday, February 22nd, 2010   #5
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Default Re: Math Problem

Wow that's a lot of work for three legged anythings! sorry all in fun!
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Old Monday, February 22nd, 2010   #6
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Default Re: Math Problem

Quote:
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Wow that's a lot of work for three legged anythings! sorry all in fun!
Lol, I was thinking the same thing. So many three legged animals, the poor things.
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