document.write( "Question 393456: Faith mixes 14 liters of 12% acid solution with a 30% acid solution which results in an 18% acid solution.\r
\n" ); document.write( "\n" ); document.write( "If x represents the number of liters of 30% acid solution used, which equation can be used to find the number of liters of 30% acid solution in the mixture?\r
\n" ); document.write( "\n" ); document.write( "Then how to solve... :)
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Algebra.Com's Answer #279804 by lwsshak3(11628)\"\" \"About 
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Faith mixes 14 liters of 12% acid solution with a 30% acid solution which results in an 18% acid solution.
\n" ); document.write( "If x represents the number of liters of 30% acid solution used, which equation can be used to find the number of liters of 30% acid solution in the mixture?\r
\n" ); document.write( "\n" ); document.write( ".30x+.12(14)=.18(14+x)
\n" ); document.write( ".30x+1.68=2.52+.18x
\n" ); document.write( ".30x-.18x=2.52-1.68
\n" ); document.write( " .12x=.84
\n" ); document.write( " x=7\r
\n" ); document.write( "\n" ); document.write( "ans: the number of liters of 30% acid solution used in the mixture is 7
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