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Math Help - numbers in series

  1. #1
    Newbie
    Joined
    Oct 2005
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    5

    please help with these numbers in series?

    12% = 3/25 4/25 5/20 3/20 which one?

    what number is missing? 15 2/3, 15 1/3, 15 2/3, 15, 15 2/3, 14 2/3

    what number is wrong? 0 1 3 6 10 15 20 28 36,

    what number is wrong? 1 2 4 8 16 36 64

    what number is wrong? 1 3 9 27 63 243

    5% of $2000 is the same as 20% of what amount?

    how many hours is 4 2/3 days?

    what number is the smallest? 1% .2% .02% 1/100 ? .309 1 .999 .33 11 ?
    2 1 .8 .888 .799

    what two numbers come next? 10 8 11 9 12
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  2. #2
    MHF Contributor
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    Ok, most of these problems require some basic algebra and logical reasoning. They aren't that bad, I promise.

    (1)What does 12% mean? How do you express this as a decimal? And once you get the decimal, how can you check to see if those other given fractions are equivalent?

    (6)I'll go ahead and set this one up for you. (.05)(2000)=(.2)(x)
    Do you see the reasoning?

    Show me what you've tried on these and post back.

    Jameson
    Last edited by Jameson; October 26th 2005 at 06:20 PM.
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