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Posted by on Thursday, September 16, 2010 at 7:23pm.

How to solve: There are 40 chickens and cows in the farmyard. There are 100 legs in all. How many are cows and how many are chickens

  • Math - , Thursday, September 16, 2010 at 7:24pm

    chickens = 40/2
    cows = 100/4

  • Math - , Thursday, September 16, 2010 at 7:26pm

    sorry!!!

    cows=x
    chickens=40-x

    100=2(x)+4(40-x)

  • Math - , Thursday, September 16, 2010 at 7:27pm

    sorry again!

    100=4(x)+2(40-x)

    is the right one..

  • Math - , Wednesday, December 23, 2015 at 4:37am

    100=4(×)+2(40-×)

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