document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=349979>Question 349979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how would i make a linear equation out of this sentence: In a chemistry class, 12 L of a 12% alchol solution must be mixed with a 20% solution to get a 14% solution. How many liters of the 20% solution are needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #250138 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=250138\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a chemistry class, 12 L of a 12% alcohol solution must be mixed with a 20% solution to get a 14% solution. How many liters of the 20% solution are needed?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "alcohol + alcohol = alcohol<BR>\n" );
document.write( "0.12(12) + 0.20x = 0.14(12+x)<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "12*12 + 20x = 14*12 + 14x<BR>\n" );
document.write( "6x = 2*12<BR>\n" );
document.write( "x = 4 liters (amt of 20% solution needed for the mixture)\r<BR>\n" );
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document.write( "----------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );