document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97755>Question 97755</A>: <I><SPAN STYLE=\"word-break: break-all;\"> this question didn't come out of a textbook. It was from a paper in my math class. here it goes.<BR>\n" );
document.write( "How much pure acid do you add to 2 gallons of 40% acid in order to get a 70% acid.\r<BR>\n" );
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document.write( "I don't know how to set up the equation to solve it. Can you help? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #71097 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=71097\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First I ask: how much acid is in the original solution?<BR>\n" );
document.write( "It's <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.4%2A2+=+.8 ALIGN=MIDDLE  ALT=\".4%2A2+=+.8\"   DISABLED_style= \"max-width:90%; height:auto;\" > gallons<BR>\n" );
document.write( "Call the gallons of acid you want to add <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x+%2B+.8%29+%2F+2+=+.7 ALIGN=MIDDLE  ALT=\"%28x+%2B+.8%29+%2F+2+=+.7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+.8+=+1.4 ALIGN=MIDDLE  ALT=\"x+%2B+.8+=+1.4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+.6 ALIGN=MIDDLE  ALT=\"x+=+.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, you add .6 gallons of acid to get a 70% solution  </SPAN>\n" );
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