document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=755395>Question 755395</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to find a system of equations and solve.<BR>\n" );
document.write( "I'm not sure how i would set up the equation\r<BR>\n" );
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document.write( "x ml of a 60% salt solution are mixed with y ml of a 90% salt solution. The result is 35 ml of a 72% 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 #459626 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=459626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need to find a system of equations and solve.<BR>\n" );
document.write( "I'm not sure how i would set up the equation <BR>\n" );
document.write( "x ml of a 60% salt solution are mixed with y ml of a 90% salt solution. The result is 35 ml of a 72% salt solution<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=amount of 60% solution to be mixed with 90% solution<BR>\n" );
document.write( "let y=amount of 90% solution to be mixed with 60% solution<BR>\n" );
document.write( "x+y=35<BR>\n" );
document.write( "60%x+90%y=72%*35<BR>\n" );
document.write( "0.6x+0.9y=0.72*35<BR>\n" );
document.write( "6x+9y=7.2*35<BR>\n" );
document.write( "x=35-y<BR>\n" );
document.write( "6(35-y)+9y=252<BR>\n" );
document.write( "210-6y+9y=252<BR>\n" );
document.write( "3y=42<BR>\n" );
document.write( "y=14 ml<BR>\n" );
document.write( "x=21 ml </SPAN>\n" );
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