SOLUTION: A farmer has some chicken and pigs.when asked how many of each the farmer said,there are 25 heads and 70 feet.how many chickens?how many pigs?

Question 1048272: A farmer has some chicken and pigs.when asked how many of each the farmer said,there are 25 heads and 70 feet.how many chickens?how many pigs?

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
C=chicken
P=pigs
C+P=25. First add the variables.
2C+4P=70 Then associate the variables with the number of legs and add.
multiply the first by -2 then add, to eliminate C.
-2C-2P=-50
2P=20
P=10
10 pigs with 40 legs
15 chickens with 30 legs.
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