Beach Day by Rodger Bliss
October 2022
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Cows and Crows

If a collection of cows and crows has 43 heads and 120 feet, how many of each are there?

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2 guesses to Cows and Crows


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  • anant

    17 cows and 26 crows

  • Dude

    17 cows and 26 crows is correct Anant.

    A little algebra will help. If we call cows S and Crows C, then:
    S + C = 43 [1]
    4S + 2C = 120 [2]

    By [1] C = 43 – S, using this in [2]:

    4S + 2 x (43 – S) = 120
    4S + 86 – 2S = 120
    2S = 34
    S = 17
    Therefore C = 26

    You are today’s winner.