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Math Help - A problem on quadratic equations .

  1. #1
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    A problem on quadratic equations .

    1. The problem statement, all variables and given/known data

    There are 2 beakers P and Q. P contains 50 litres of water and Q contains 40 litres of acid. x litres is taken from both the beakers, mixed and replaced. This process is repeated 2 times and after the second time, there is 71/8 litres of acid in P. What is the quantity of x ?

    2. Relevant equations

    Form the equation in the form of ax^2 + bx + c = 0 where a is not equal to 0 and a,b and c are constants.
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  2. #2
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    Re: A problem on quadratic equations .

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  3. #3
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    Re: A problem on quadratic equations .

    Quote Originally Posted by Wilmer View Post
    Ahhh yes ! I found their method difficult. Can you give me any easier method to solve this ?
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