document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=102430>Question 102430</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joseph mixed a certain amount of 10% isopropyl mixture with 6o gallons of a 20% isopropyl solution and the resulting mixture is 16% isopropyl. How much of the 10% isopropyl did he add? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #74434 by </B><A HREF=/tutors/aboutme.mpl?userid=rossiv53><B>rossiv53(27)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rossiv53><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=74434\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ok, So let x = the amount of 10% mixture<BR>\n" );
document.write( "10%x +20%(60) = 16%(x+60)<BR>\n" );
document.write( ".10x +.20(60) = .16(x+60)<BR>\n" );
document.write( ".10x + 12 = .16x+9.60<BR>\n" );
document.write( ".10x-.16x+12 = .16x-.16x+9.60<BR>\n" );
document.write( "-.06x+12 = 9.60<BR>\n" );
document.write( "-.06x+12-12 = 9.60-12<BR>\n" );
document.write( "-.06x = -2.40<BR>\n" );
document.write( "x = 40\r<BR>\n" );
document.write( "\n" );
document.write( "So, amount of 10% solution is 40 gallons\r<BR>\n" );
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document.write( "Good luck!<BR>\n" );
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