document.write( "Question 927999: how many liters of a 25% chemical solution must be added to 60 liters of a 50% solution to get a 30% solution?\r
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Algebra.Com's Answer #563385 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "how many liters of a 25% chemical solution must be added to 60 liters of a 50% solution to get a 30% solution?\r
\n" ); document.write( "\n" ); document.write( "thank you very much if you can help
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Let amount of 25% solution to be mixed, be T
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document.write( "Then we get: .25T + .5(60) = .3(T + 60)
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document.write( ".25T + 30 = .3T + 18
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document.write( ".25T - .3T = 18 – 30 
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document.write( "- .05T = - 12
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document.write( "T, or amount of 25% solution to mix = , or  L
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document.write( "You can do the check!! 
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