SOLUTION: A chemist is mixing a solution that is 2% acid and another solution that is 8% acid. She needs to make 75 ML of a solution that is 5% acid. How much of each solution should she use

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Question 718946: A chemist is mixing a solution that is 2% acid and another solution that is 8% acid. She needs to make 75 ML of a solution that is 5% acid. How much of each solution should she use?
Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
Plugging in the values rightaway, you have these as a system to solve:

and , where x is volume of the 2% solution and y is the volume of the 8% solution.

A few ways to start the rest of the solution process but one way is y=75-x, then do



.
Can you continue from here?

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