document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=540371>Question 540371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of pure acid must be added to 5L of a solution that is 20% acid to make a solution that is 60% acid?\r<BR>\n" );
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document.write( "x+0.2 (5)= 0-6 (x=5)<BR>\n" );
document.write( "x=1= o.6x+3<BR>\n" );
document.write( "-0.6x-1-0.6x-1<BR>\n" );
document.write( "____________________<BR>\n" );
document.write( "0.4x=2<BR>\n" );
document.write( "______<BR>\n" );
document.write( "0.4  0.4<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "Does my work look correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #353668 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=353668\">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 pure acid needed<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.2%2A5+=+1+ ALIGN=MIDDLE  ALT=\"+.2%2A5+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > liter od pure acid in 20% solution<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1+%2B+x+%29+%2F+%28+5+%2B+x+%29+=+.6+ ALIGN=MIDDLE  ALT=\"+%28+1+%2B+x+%29+%2F+%28+5+%2B+x+%29+=+.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1+%2B+x+=+.6%2A%28+5+%2B+x+%29+ ALIGN=MIDDLE  ALT=\"+1+%2B+x+=+.6%2A%28+5+%2B+x+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1+%2B+x++=+3+%2B+.6x+ ALIGN=MIDDLE  ALT=\"+1+%2B+x++=+3+%2B+.6x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.4x+=+2+ ALIGN=MIDDLE  ALT=\"+.4x+=+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+5+ ALIGN=MIDDLE  ALT=\"+x+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "5 liters of pure acid is needed<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1+%2B+5+%29+%2F+%28+5+%2B+5+%29+=+.6+ ALIGN=MIDDLE  ALT=\"+%28+1+%2B+5+%29+%2F+%28+5+%2B+5+%29+=+.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6+%2F+10+=+.6+ ALIGN=MIDDLE  ALT=\"+6+%2F+10+=+.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.6+=+.6+ ALIGN=MIDDLE  ALT=\"+.6+=+.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
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document.write( "I'm not sure how you did it, but this is how<BR>\n" );
document.write( "I do all these kind of problems. Same answer. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );