Asked by bill

farmer fred had chickens and cows on his farm. he knows that together there are 108 legs and 30 heads. how many of each type of animal does he have?

Answers

Answered by Steve
c chickens have 2c legs
m cows have 4m legs

c+m = 30
2c + 4m = 108

multiply the top equation by two, and subtract

2c + 2m = 60
2c + 4m = 108

2m = 48
m = 24
c = 6
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