flowerrbabie
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You need a 35% solution. You are going to mix 15 liters of a 27% solution with an amount of a 50% solution. How much of the 50% solution should you use?

Respuesta :

LammettHash

Let [tex]x[/tex] be the number of liters of the 50% solution used in the mixture. Then

[tex]0.35(15+x)=0.27(15)+0.5x\implies x=8[/tex]

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