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math questions

Discussion in 'DAT Discussions' started by issa, Aug 8, 2006.

  1. issa

    issa Senior Member
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    () is to 40 as x/3 is to ()?

    .3% of 25% =?


    1/2 of 1/4 is what % of 8/18?
     
  2. tinman831

    tinman831 ¯\_(ツ)_/¯
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    You didn't give a question for number 1.

    .25*.003 = .00075

    1/2 of 1/4 = 1/8. (1/8)/(8/18) = (1/8)/(4/9) = (1/8)*(9/4) = 9/32
     
  3. joonkimdds

    joonkimdds Senior Member
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    25% is same as 0.25
    [X/0.25] *100% = 0.3% is how u set this up
    solve for x, then u have 0.3%/100% *0.25

    0.003*0.25= 7.5*10^-4

    1/2 of 1/4 = 1/8
    1/8 is what % of 8/18?
    is same as
    1/8 is what % of 4/9?
    then
    [(1/8)/(4/9)]*100% = X %
    900/32 = X% = 25% = answer
     
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  4. joonkimdds

    joonkimdds Senior Member
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    whenever i see ur avatar... I can't stop thinking of Men in Black.
     
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