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ineedbiohelpandquick

  • 2 years ago

a superhero recently asked his nemesis how many cats she has. she answered with a riddle: "seven eights" of my cats plus two" how many cats does the nemesis have?

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  1. mopishmold2575
    • 2 years ago
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    why would a superhero ask his nemesis how many cats she had

  2. ineedbiohelpandquick
    • 2 years ago
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    I need help please ;)

  3. asnaseer
    • 2 years ago
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    the statements says that the number of cats is equal to: "seven eights" of my cats plus two that means that the "two" must refer to the remaining cats, which represent one-eight of the total. do you understand so far?

  4. ineedbiohelpandquick
    • 2 years ago
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    truthfully not really :(

  5. asnaseer
    • 2 years ago
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    ok, let me try and explain more clearly...

  6. ineedbiohelpandquick
    • 2 years ago
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    okay thanks :)

  7. asnaseer
    • 2 years ago
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    we are told that the number of cats is: "7/8" of my cats plus 2 this can also be stated as: "7/8" of my cats plus "1/8" of my cats (since 7/8 + 1/8 = 1) make sense?

  8. asnaseer
    • 2 years ago
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    if not, I can try another way

  9. ineedbiohelpandquick
    • 2 years ago
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    yes it does make sense :)

  10. asnaseer
    • 2 years ago
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    ok - good

  11. asnaseer
    • 2 years ago
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    so now you can see why the "plus two" means that the "two" represents 1/8 of the total number of cats?

  12. ineedbiohelpandquick
    • 2 years ago
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    so does that mean I have 3 cats?

  13. asnaseer
    • 2 years ago
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    no - remember the 2 represents 1/8 of the total number of cats. so if 1/8 of the total is 2 then how many cats altogether?

  14. asnaseer
    • 2 years ago
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    lets call the total number of cats c, then we can write:\[\frac{c}{8}=2\]so what will c equal?

  15. ineedbiohelpandquick
    • 2 years ago
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    8? I am still a little confused

  16. asnaseer
    • 2 years ago
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    1/8 of 8 is 1. so that cannot be correct.

  17. asnaseer
    • 2 years ago
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    1/8 of what number will give you 2?

  18. ineedbiohelpandquick
    • 2 years ago
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    so 1 cat?

  19. asnaseer
    • 2 years ago
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    1/8 of 1 is 1/8 - you cannot have an eight of a cat - at least not one that is alive! :)

  20. ineedbiohelpandquick
    • 2 years ago
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    16 cats? :(

  21. asnaseer
    • 2 years ago
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    bingo! well done! :)

  22. ineedbiohelpandquick
    • 2 years ago
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    yay! thank you God bless you! :)

  23. asnaseer
    • 2 years ago
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    it might be worth you reviewing what was done so that you understand this fully.

  24. asnaseer
    • 2 years ago
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    yw - I'm glad I was able to help. :)

  25. asnaseer
    • 2 years ago
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    do you want me to give you a similar question to check if you have understood this properly?

  26. ineedbiohelpandquick
    • 2 years ago
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    I would love another! and or also can you help me on this one... the gasoline gauge on a van initially read 1/3 full when 10 gallons were added to the tank the gauge read 3/4 full how many more gallons are needed to fill the tank?

  27. asnaseer
    • 2 years ago
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    lets leave the new question for later (you should post that as a new question). I'll give another one similar to this one here as a test...

  28. ineedbiohelpandquick
    • 2 years ago
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    alright! I will do that :) thank you!

  29. asnaseer
    • 2 years ago
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    the number of cats I have is "two thirds" of my cats plus 9 how many cats do I have?

  30. ineedbiohelpandquick
    • 2 years ago
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    13?

  31. asnaseer
    • 2 years ago
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    no - remember - the first step is to work out how much of the total number of cats is represented by the 9

  32. asnaseer
    • 2 years ago
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    you are told that the total is "two thirds" of my cats plus 9 so the 9 must represent what fraction of the total?

  33. asnaseer
    • 2 years ago
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    remember "two thirds" have been accounted for - so what fraction remains?

  34. ineedbiohelpandquick
    • 2 years ago
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    6

  35. asnaseer
    • 2 years ago
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    not 6.

  36. ineedbiohelpandquick
    • 2 years ago
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    1/3

  37. asnaseer
    • 2 years ago
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    yes

  38. asnaseer
    • 2 years ago
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    so you now know that 1/3 of my total number of cats is 9 cats

  39. asnaseer
    • 2 years ago
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    so 1/3 of what number will give you 9?

  40. ineedbiohelpandquick
    • 2 years ago
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    27 :)

  41. asnaseer
    • 2 years ago
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    thats it! hope you are beginning to understand how to do these now?

  42. ineedbiohelpandquick
    • 2 years ago
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    I think so! thanks again! :)

  43. asnaseer
    • 2 years ago
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    yw :)

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