How many chickens and cows puzzle answer

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cows and chickens math problem puzzle

#Puzzle :

A farmer had some chickens and some cows.

She counted 40 heads and 126 legs.

How many chickens and how many cows did she have?

Show answer

Answer : 17 Chickens and 23 Cows

Explanation:

C = #chickens

M = #cows

40 = C + M, 40 – M = C

126 = 2C + 4M

126 = 2(40 – M) + 4M

126 – 80 = 4M – 2M

46 = 2M

23 = M

40 – 23 = C

17 = C

So C= Chicken 17 and M= Cows = 23 

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