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  1. #1
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    need help with algebra equation

    10 + 2Q = 10 + Q + 100/Q

    so Q = 10

    How do i reach 10 the 100/Q part is confusing me.

    Thanks.

    I suspect i am in the wrong section sorry about that.
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  2. #2
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    Re: need help with algebra equation

    Hang on, just so we're clear, is this your equation: $\displaystyle \begin{align*} 10 + 2Q = 10 + Q + \frac{100}{Q} \end{align*}$ ?
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  3. #3
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    Re: need help with algebra equation

    its 10 + 2Q = 10 + Q + 100/Q and i need to solve for Q Basically its for a businesses marginal cost = average total cost. in order to minimize costs mc=atc
    Last edited by Lisa1714; April 28th 2014 at 11:26 PM.
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  4. #4
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    Re: need help with algebra equation

    500/q + 20q= 40q

    Therefore,
    q= 5

    another same type... don't understand the divide.
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  5. #5
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    Re: need help with algebra equation

    Quote Originally Posted by Lisa1714 View Post
    500/q + 20q= 40q

    Therefore,
    q= 5

    another same type... don't understand the divide.
    I do not understand your last question. You are going to get a term divided by q whenever you are computing average costs and total costs has a component of fixed costs. You can see why if you look at the answer I gave to your prior question (which unfortunately I could not answer within the time frame that you needed). Or are you asking how to solve this type of equation? Please remember that you have to make your questions comprehensible to us; we are not mind readers.
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