document.write( "Question 195254: A 30% solution of barium chloride is mixed with 10 L of water to form a 20% solution. How many liters of original solution did we start with?
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Algebra.Com's Answer #146450 by nerdybill(7384)\"\" \"About 
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A 30% solution of barium chloride is mixed with 10 L of water to form a 20% solution. How many liters of original solution did we start with?
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\n" ); document.write( "Let x = amount 30% solution of barium (liters of original solution)
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\n" ); document.write( ".30x = .20(10+x)
\n" ); document.write( ".30x = 2 + .20x
\n" ); document.write( ".10x = 2
\n" ); document.write( "x = 2/.10
\n" ); document.write( "x = 20 Liters
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