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Algebra
Pregunta

A chemist has three different acid solutions. The ...

A chemist has three different acid solutions. The first acid solution contains \( 15 \% \) acid, the second contains \( 25 \% \) and the third contains \( 45 \% \) . They want to use all three solutions to obtain a mixture of \( 80 \) liters containing \( 30 \% \) acid, using \( 3 \) times as much of the \( 45 \% \) solution as the \( 25 \% \) solution. How many liters of each solution should be used? 

Answer

32  12  36

Solución
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