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Math Help - Finding the Numerical Value

  1. #1
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    Finding the Numerical Value

    I'm stuck on this one: a+1/2 a+1/4 a+1/8a when "a" = 2. The book's answer is 3 3/4. But I have no idea how that figure was derived. Can someone please run me through it?

    Thank you!

    EDIT: NEVER MIND. I SOLVED IT MYSELF.
    Last edited by MathClown; January 17th 2013 at 06:48 AM.
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