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Math Help - math help basic algebra

  1. #1
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    math help basic algebra

    I used to be a physics major when I was in college. That was when I was about 19, about seven years ago. I completely lost all of my math skills, even the basic things. I'm joining the Army and they have pretty simple questions on the ASVAB (military entrance test.)

    I need help solving the equations. I need an explanation and all that good stuff. Is this the right forum?

    I'll start with the first question: If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?

    If im in the wrong forum, just tell me, thanx.

    The answers are:A. 5/p
    B. p - 5
    C. p + 5
    D. p/5
    E. 1- p + 5
    Last edited by markr1983; December 22nd 2009 at 05:06 AM. Reason: forgot something
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  2. #2
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    Quote Originally Posted by markr1983 View Post
    I used to be a physics major when I was in college. That was when I was about 19, about seven years ago. I completely lost all of my math skills, even the basic things. I'm joining the Army and they have pretty simple questions on the ASVAB (military entrance test.)

    I need help solving the equations. I need an explanation and all that good stuff. Is this the right forum?

    I'll start with the first question: If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?

    If im in the wrong forum, just tell me, thanx.

    The answers are:A. 5/p
    B. p - 5
    C. p + 5
    D. p/5
    E. 1- p + 5
    rate = \frac{1 \, page}{p \, minutes}

    (rate)(time) = pages completed

    \frac{1}{p} \cdot 5 = \frac{5}{p} pages
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