SOLUTION: https://answers.yahoo.com/question/index?qid=20200126204008AAysseK

Question 1151666: https://answers.yahoo.com/question/index?qid=20200126204008AAysseK
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Let '' be the amount of solution (in liters)
Let '' be the amount of solution (in liters)
| |

--------------------------------------------------
... ...... | ...... % ......... |
... ...... | ...... % ....... |
Final solution:
... ..... | ...... % ........ |
Write two equations:

Multiply the last equation by to get rid of decimals:

Divide everything by to simplify:

Solve the first equation for one variable, say :

Substitute into the last equation:

Then solve for:

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