In a group of cows and hens, the number of legs are 14 more than twice the number of heads. The number of cows is\nOptions:\n(A) 22\n(B) 7\n(C) 8\n(D) 6\n(E) 51 Let's think first. Stream of consciousness:
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Let the number of cows be x and the number of hens be y. Then, 4x + 2y = 2 (x + y) + 14 4x + 2y = 2x + 2y + 14 2x = 14 x = 7.
So, the answer is (B).
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