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LollyLau

  • 4 years ago

[Challenge] There are chickens and rabbits in a cage. There are 35 heads and 94 legs. Find the number of each of them WITHOUT USING EQUATIONS.

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  1. anonymous
    • 4 years ago
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    HOw are you supposed to solve this without equations?

  2. LollyLau
    • 4 years ago
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    It's possible. It's just that you can't (maybe yet).

  3. anonymous
    • 4 years ago
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    I bet you can't show us a solution that doesn't use equations, if not explicitly then implicitly

  4. LollyLau
    • 4 years ago
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    ready for solution?

  5. Mertsj
    • 4 years ago
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    No. We're still thinking.

  6. LollyLau
    • 4 years ago
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    ok.

  7. LollyLau
    • 4 years ago
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    i actually ans a similar problem using this method. (1 day ago also on OpenStudy)

  8. anonymous
    • 4 years ago
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    let me try this and see if it works. i think it is really no different from solving the equation

  9. anonymous
    • 4 years ago
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    3 5 4 7 ____ 1 2 2 3 is it right?

  10. anonymous
    • 4 years ago
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    I have seen this is in the old mathschallenge.net

  11. LollyLau
    • 4 years ago
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    o rly?

  12. anonymous
    • 4 years ago
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    Yes 1 star problem.

  13. anonymous
    • 4 years ago
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    yup 12 chickens and 23 rabbits - got to be

  14. LollyLau
    • 4 years ago
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    your arithmetic isn't bad, satellite

  15. anonymous
    • 4 years ago
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    ok that does it. kind of cool huh?

  16. anonymous
    • 4 years ago
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    http://mathschallenge.net/problems/pdfs/mathschallenge_1_star.pdf

  17. LollyLau
    • 4 years ago
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    Diagram method: 1. Draw 35 circles, representing heads. Each animal must have at least 2 legs (assume animals are in good condition). 2. Draw 2 "sticks" out of each circle, representing legs. 3. Keep drawing legs until the number of legs reach 94. 4. COUNT.

  18. anonymous
    • 4 years ago
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    ok there are like 200 pages here.

  19. anonymous
    • 4 years ago
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    Almost the problem "BIRDS AND BUNNIES". Btw not interesting there is no reason of why shouldn't I use equations here.

  20. anonymous
    • 4 years ago
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    Right .... what I should have asked is : "Why solve it without equations?" It's clearly much faster than barnyard drawings.

  21. anonymous
    • 4 years ago
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    agree with ffm

  22. anonymous
    • 4 years ago
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    i am fairly certain it is the same. divide by two and subtract, but it does kind of look cool just writing the answer down without variables. i like it

  23. Mertsj
    • 4 years ago
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    Oh gee. Can't we just have a little fun without carping?

  24. anonymous
    • 4 years ago
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    i still think it is cool, but i can't find the problem on the link ffm sent

  25. anonymous
    • 4 years ago
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    Problem ID: 351

  26. anonymous
    • 4 years ago
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    @ffm lol, they are not in order!!!

  27. anonymous
    • 4 years ago
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    how about a page number. i still can't find it

  28. anonymous
    • 4 years ago
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    Page number 16

  29. anonymous
    • 4 years ago
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    oh but this is just the regular solve using equation method, i did something different

  30. anonymous
    • 4 years ago
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    number of head 3 5 half number of fee 4 7 subtract 1 2 subtract again 2 3

  31. anonymous
    • 4 years ago
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    Why is this working?

  32. anonymous
    • 4 years ago
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    that is for the first line subtract 3 from 4 and 5 from 7 for second line subtract 1 from 3 and 2 from 5

  33. anonymous
    • 4 years ago
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    that is why i thought it was cool

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