Beach Day by Rodger Bliss
May 2024

Chicken and a Half

chicken-and-a-halfBarry the chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half.
How many hens does Barry the farmer need to produce one dozen eggs in six days?

Thanks Barry for your submission.

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10 guesses to Chicken and a Half

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  • craig

    3 chickens can produce 12 eggs in 6 days.

  • Dude

    Sorry all three answers are not correct. Keep trying.

  • Dude

    OK, everybody please argue with the answer I have as your trusty riddle dude. My answer is based on logic more than math.

    My answer is 2. A hen and a half can lay an egg and a half in a day and a half = 1 hen lays 1 egg per day. To simplify it, just double it: 3 hens lay 3 eggs in 3 days = 1 hen lays 1 egg in 1 day. So 2 hens lay 12 eggs in 6 days.

  • Alex

    Dude, If 1.5 hens lay 1.5 eggs in 1.5 days shouldn’t one hen make one egg in 1.5 days still, not just 1 day? And then you can say that 1 hen would produce 2 eggs in 3 days and 4 eggs in 6 days. So if each hen can lay 4 in 6 days, you would need 3 hens (12 total/ 4 each) to lay 12 eggs in that same time frame.
    I got 3 hens.

  • Dude

    Alex you are not following my simplification logic in your first sentence. 1.5 eggs in 1.5 days = 1 egg in 1 day. Then the math becomes much easier to understand. Of course my math is disputed.

    1.5 eggs
    RATE = ——————————————————— = 2/3 eggs/hen·day
    1.5 hens × 1.5 days

    By the rules of algebra, you can multiply both the numerator and denominator by 2, which is the same as multiplying by one. So, you can double the number of eggs to 3 in the numerator, and, in the denominator, you can double the hens or double the days, but you cannot double both. By multiplying everything by 2, I really multiplied the RATE by 2/(2×2) or 1/2, changing it from 2/3 to 1/3. Therefore, our farmer needs 3 hens to produce 12 eggs in 6 days.

    I like disputed math and its relationship to English. Thank you Alex for making me expand my answer to include others.

  • Nerd Roaster

    Y’all is a bunch of nerds.

  • Louis A. Iavecchia