document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=693487>Question 693487</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( " What quantity of 70 per cent acid solution must be mixed with a 15 percent solution to produce 4 mL of a 30 per cent solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427446 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=427446\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .70X+.15(4-X)=.30*4<BR>\n" );
document.write( ".70X+.60-.15X=1.20<BR>\n" );
document.write( ".55X=1.20-.60<BR>\n" );
document.write( ".55X=.60<BR>\n" );
document.write( "X=.60/.55<BR>\n" );
document.write( "X=1.09 ML OF THE 70% SOLUTION IS USED.<BR>\n" );
document.write( "4-1.09=2.91 ML OF THE 15% SOLUTION IS USED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".70*1.09+.15*2.91=1.20<BR>\n" );
document.write( ".763+.436=1.20<BR>\n" );
document.write( "1.1995=1.20\r<BR>\n" );
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document.write( " </SPAN>\n" );
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