document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=783407>Question 783407</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm not sure how to solve this or where to even begin. \r<BR>\n" );
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document.write( "A chemist wants to dilute her 5L stock of 30% solution of acid to 15%. How much 10% solution does she have to add to the 30% solution in order to obtain a mixture that is 15% acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #476742 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=476742\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = liters of 10% solution to be added<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1x+ ALIGN=MIDDLE  ALT=\"+.1x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = liters of acid  in 10% solution<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.3%2A5+=+1.5+ ALIGN=MIDDLE  ALT=\"+.3%2A5+=+1.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > liters of acid already in 30% solution<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+.1x+%2B+1.5+%29+%2F+%28+x+%2B+5+%29+=+.15++ ALIGN=MIDDLE  ALT=\"+%28+.1x+%2B+1.5+%29+%2F+%28+x+%2B+5+%29+=+.15++\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1x+%2B+1.5+=+.15%2A%28+x+%2B+5+%29+ ALIGN=MIDDLE  ALT=\"+.1x+%2B+1.5+=+.15%2A%28+x+%2B+5+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1x+%2B+1.5+=+.15x+%2B+.75+ ALIGN=MIDDLE  ALT=\"+.1x+%2B+1.5+=+.15x+%2B+.75+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.05x+=+.75+ ALIGN=MIDDLE  ALT=\"+.05x+=+.75+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+15+ ALIGN=MIDDLE  ALT=\"+x+=+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "15 liters of 10% solution need to be added<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+.1x+%2B+1.5+%29+%2F+%28+x+%2B+5+%29+=+.15++ ALIGN=MIDDLE  ALT=\"+%28+.1x+%2B+1.5+%29+%2F+%28+x+%2B+5+%29+=+.15++\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+.1%2A15+%2B+1.5+%29+%2F+%28+15+%2B+5+%29+=+.15++ ALIGN=MIDDLE  ALT=\"+%28+.1%2A15+%2B+1.5+%29+%2F+%28+15+%2B+5+%29+=+.15++\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1.5+%2B+1.5+%29+%2F+20+=+.15+ ALIGN=MIDDLE  ALT=\"+%28+1.5+%2B+1.5+%29+%2F+20+=+.15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+=+.15%2A20+ ALIGN=MIDDLE  ALT=\"+3+=+.15%2A20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+=+3+ ALIGN=MIDDLE  ALT=\"+3+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );