document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=73485>Question 73485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One solution is 10% acid and another is 25%acid. Howmany litres ofeach should be mixed to form 30L of a solution that is 18% acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #52604 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=52604\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the required number of liters of 10% acid solution, then (30-x) = the required number of liters of 25% acid solution. The sum of these will make up the 30 liters of 18% acid solution. After changing the percentages to their decimal equivalents, we can write the necessary equation to solve for x.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.1x+%2B+0.25%2830-x%29+=+0.18%2830%29 ALIGN=MIDDLE  ALT=\"0.1x+%2B+0.25%2830-x%29+=+0.18%2830%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify and solve for x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.1x+%2B+7.5+-+0.25x+=+5.4 ALIGN=MIDDLE  ALT=\"0.1x+%2B+7.5+-+0.25x+=+5.4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like-terms.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-0.15x+%2B+7.5+=+5.4 ALIGN=MIDDLE  ALT=\"-0.15x+%2B+7.5+=+5.4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 7.5 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-0.15x+=+-2.1 ALIGN=MIDDLE  ALT=\"-0.15x+=+-2.1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by -0.15<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+14 ALIGN=MIDDLE  ALT=\"x+=+14\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30-x+=+30-14 ALIGN=MIDDLE  ALT=\"30-x+=+30-14\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16 ALIGN=MIDDLE  ALT=\"16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solution:<BR>\n" );
document.write( "You will need 14 liters of 10% acid solution plus 16 liters of 25% acid solution to make 30 liters of 18% acid solutution.\r<BR>\n" );
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