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March 3, 2015

March 3, 2015

Posted by **Jarrad** on Tuesday, January 25, 2011 at 5:33am.

using systems of equations to solve

- algebra -
**Reiny**, Tuesday, January 25, 2011 at 8:55amnumber of chickens --- c

number of pigs ---- p

c+p = 220

2c + 4p = 520 or c + 2p = 260

subtract then

p = 40

back into the first

c+40 = 220

c = 180

180 chickens, 40 pigs

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