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?

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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) About Me  (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.