document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149891>Question 149891</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters each of a 2% salt solution and an 10% salt solution must be combined to produce 30 liters of a 4% salt solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110000 by </B><A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><B>mangopeeler07(462)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><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=110000\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=liters 2%<BR>\n" );
document.write( "x=liters 10%<BR>\n" );
document.write( "coefficient=percent\r<BR>\n" );
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document.write( "2y+10x=4(30)<BR>\n" );
document.write( "2y+10x=120\r<BR>\n" );
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document.write( "y+x=30\r<BR>\n" );
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document.write( "So you have two equations:<BR>\n" );
document.write( "2y+10x=120<BR>\n" );
document.write( "y+x=30\r<BR>\n" );
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document.write( "Solve for y in the second equation<BR>\n" );
document.write( "y=30-x\r<BR>\n" );
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document.write( "Plug that into the first equation<BR>\n" );
document.write( "2(30-x)+10x=120\r<BR>\n" );
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document.write( "Distribute<BR>\n" );
document.write( "60-2x+10x=120\r<BR>\n" );
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document.write( "Combine like terms<BR>\n" );
document.write( "60+8x=120\r<BR>\n" );
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document.write( "Subtract 60 from both sides<BR>\n" );
document.write( "8x=60\r<BR>\n" );
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document.write( "Divide by 8<BR>\n" );
document.write( "x=60/8 or 15/2\r<BR>\n" );
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document.write( "y=30-x<BR>\n" );
document.write( "y=30-15/2<BR>\n" );
document.write( "y=60/2-15/2<BR>\n" );
document.write( "y=45/2\r<BR>\n" );
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document.write( "liters 2%=22.5<BR>\n" );
document.write( "liters 10%=7.5 </SPAN>\n" );
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