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October 21, 2014

October 21, 2014

Posted by **jamie** on Sunday, August 21, 2011 at 9:28pm.

- math -
**bobpursley**, Sunday, August 21, 2011 at 9:35pmHands? Is this a trick question?

Hmmm. Surely you know ducks don't have hands, nor cows. Wondering if your teacher knows.

I will assume heads.

leg equation: 4C+2D=78

head equation: C+D=27

This assumes of course, no two headed cows are ducks.

so solve the two equations for C and D.

Hint> multiply the second equation by 2, and then subtract the second equation from the first.

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