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March 31, 2015

March 31, 2015

Posted by **nina** on Thursday, October 25, 2012 at 10:49pm.

- math -
**Prasad**, Thursday, October 25, 2012 at 11:42pmLet X be the no of cows and Y be number of chickens

No of Heads = 20

x+y = 20

No. of legs = 64

4x + 2 y = 64

Solve the system of equation x+y = 20

4x + 2y = 64

You will get x = 12, y = 8

No. of cows = 12

No. of chickens = 8

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