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Math Help - I Got A Few More Algebra Word Questions

  1. #1
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    I Got A Few More Algebra Word Questions

    1. Divide me by four, then multiply what you get by two, then subtract 4, and you will have 10. Who am I?


    2. Divide a certain number of kilograms by 2, and then add four more kilograms. The result will be 9000 grams. How many kilograms did you start with?

    3. Six ounces plus an unknown quantity of ounces is equal to three times the unknown quantity of ounces. Discover what it is.


    Thanks for your time guys, I am bad at developing the formula from word problems so seeing how you do it really helps.
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  2. #2
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    Quote Originally Posted by NemesysEvolved View Post
    1. Divide me by four, then multiply what you get by two, then subtract 4, and you will have 10. Who am I?
    me= x

    \frac{2x}{4}-4=10

    Simplify: \frac{x}{2}-4=10

    Add 4 to both sides: \frac{x}{2}=14

    Multiply both sides by 2: x=28

    You should always check your answer though.
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  3. #3
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    I cadisregard i didem! thx though
    Last edited by NemesysEvolved; January 23rd 2007 at 01:29 PM.
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  4. #4
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    Quote Originally Posted by NemesysEvolved View Post
    1. Divide me by four, then multiply what you get by two, then subtract 4, and you will have 10. Who am I?


    2. Divide a certain number of kilograms by 2, and then add four more kilograms. The result will be 9000 grams. How many kilograms did you start with?

    3. Six ounces plus an unknown quantity of ounces is equal to three times the unknown quantity of ounces. Discover what it is.


    Thanks for your time guys, I am bad at developing the formula from word problems so seeing how you do it really helps.

    1. x/4*2-4=10
    x/2-4=10
    x/2=14
    x=28 (it is 28)

    2. x/2+4=9
    x/2=5
    x=10 kilograms

    3. unknown quantity is x ounces
    6+x=3x
    2x=6
    x = 3

    right? - R.Mangalesh
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