document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=233645>Question 233645</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much 30% solution and 70% solution need to be combined to make 80 ml of a 60% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172448 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=172448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much 30% solution and 70% solution need to be combined to make 80 ml of a 60% solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "0.30x + 0.70(80-x) = 0.60*80 ml<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "30x + 70*80 - 70x = 60*80<BR>\n" );
document.write( "-40x = -10*80<BR>\n" );
document.write( "x = 20 ml (amount of 30% solution needed in the mixture)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "80-x = 60 ml (amount of 70% solution needed in the mixture)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );