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Thread: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

  1. #1221
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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by wolfie View Post
    Can you do algebra..if so..solve this..it took me 30 minutes..

    If x, y, and k are positive numbers such that ((x)/(x+y))(10) + ((y)/(x+y))(20) = k and if x < y, which of the following could be the value of k?
    A. 10
    B. 12
    C. 15
    D. 18
    E. 30
    Since all of the answers are whole numbers, it follows that x + y has to be a factor of ten.
    And if Y > X, then it follows that Y > 1, both numbers being integers.
    That narrows X + Y down to either 5 or 10.

    If x + y = 5, and if x = 1, then the first expression is 1/5 of 10 = 2.
    Then the second expression is 4/5 of 20 = 16.

    Therefore, the result could be 18, D.

    Now, here's another puzzle, one that is more closely related to the conversation about percentages and probabilities:

    One population of rats has 50,000 females. 1/10 of the females eat their young.

    (Yes, rats really do this at times, but this is about math, not biology.)

    The other population has half a million females. 10% of the females eat their young.

    So, in population A, 1/10 of 50,000, or 5,000 litters are eaten by their mothers.

    In population B, 10% of half a million, or 50,000 litters are eaten by their mothers.

    So, a given baby rat is:

    A. More likely to be eaten if born into population A.
    B. More likely to be eaten if born into population B.
    C. Equally likely to be eaten regardless of which population births it.
    "Donald Trump is a phony, a fraud... [he's] playing the American public for suckers." Mitt Romney

  2. #1222
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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by wolfie View Post
    Can you do algebra..if so..solve this..it took me 30 minutes..

    If x, y, and k are positive numbers such that ((x)/(x+y))(10) + ((y)/(x+y))(20) = k and if x < y, which of the following could be the value of k?
    A. 10
    B. 12
    C. 15
    D. 18
    E. 30
    LOL...

    I did an ooops until I reread that X<Y. I had three possible answers until that point. Interesting question. I don't recall having one like that when I was in algebra, but then that was about 40 years ago also.

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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by lord of planar View Post
    lol...

    I did an ooops until i reread that x<y. I had three possible answers until that point. Interesting question. I don't recall having one like that when i was in algebra, but then that was about 40 years ago also.
    k = 10

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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by Dittohead not! View Post
    Since all of the answers are whole numbers, it follows that x + y has to be a factor of ten.
    And if Y > X, then it follows that Y > 1, both numbers being integers.
    That narrows X + Y down to either 5 or 10.

    If x + y = 5, and if x = 1, then the first expression is 1/5 of 10 = 2.
    Then the second expression is 4/5 of 20 = 16.

    Therefore, the result could be 18, D.

    Now, here's another puzzle, one that is more closely related to the conversation about percentages and probabilities:

    One population of rats has 50,000 females. 1/10 of the females eat their young.

    (Yes, rats really do this at times, but this is about math, not biology.)

    The other population has half a million females. 10% of the females eat their young.

    So, in population A, 1/10 of 50,000, or 5,000 litters are eaten by their mothers.

    In population B, 10% of half a million, or 50,000 litters are eaten by their mothers.

    So, a given baby rat is:

    A. More likely to be eaten if born into population A.
    B. More likely to be eaten if born into population B.
    C. Equally likely to be eaten regardless of which population births it.
    The answer is C...

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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by wolfie View Post
    The answer is C...
    Good job, Wolfie!

    I think you get it now.
    "Donald Trump is a phony, a fraud... [he's] playing the American public for suckers." Mitt Romney

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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by wolfie View Post
    k = 10
    No.

    10 < k < 20 without the qualifier X < Y.

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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by Lord of Planar View Post
    No.

    10 < k < 20 without the qualifier X < Y.
    Yes it is..look at it again..

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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by Dittohead not! View Post
    Good job, Wolfie!

    I think you get it now.
    A tad infantile...

    Got anything else??

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    Re: Scalia Wonders If Same-Sex Parents ‘Harmful’ To Children

    Quote Originally Posted by wolfie View Post
    A tad infantile...

    Got anything else??
    No, just wanted to prove that in your post:

    Gays are a minority..so obviously the number of incidents by heterosexuals will be higher..

    1.5% of our population is gay..therefore the statistics will show a lower probability of abuse...
    the first statement is correct. The second is mathematically incorrect.

    and now you should no longer confuse absolute numbers with percents and probabilities.
    "Donald Trump is a phony, a fraud... [he's] playing the American public for suckers." Mitt Romney

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