Question:

A profit of 9% was made by selling investment stocks for $2500. what was the original price?

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what model would u use to solve the problem

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  1. My kid in 7th grade is learning this part of math.

    P*1.09 = 2500

    where P is the purchase amount.

    P=2293.58


  2. $2293.58

  3. I would just set up a couple of equations.

    Profit = 9% of $2500  or                  P = .09(2500)

    Original Price = $2500 - Profit or   OP = 2500 - P

    Solve the first equation for P and then the second for OP or use substitution like this:

    OP = 2500 - [0.09(2500)]

    OP = 2500 - (225)

    OP = 2225

  4. $2,500 / 1.09

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