document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=779067>Question 779067</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many gallons of an 80% solution must be mixed with 90 gallons of 15% solution to make a 70% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #475048 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=475048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  how many gallons of an 80% solution must be mixed with 90 gallons of 15% solution to make a 70% solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "active + actve = active<BR>\n" );
document.write( "0.15*90 + 0.80x = 0.70(90+x)<BR>\n" );
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document.write( "15*90 + 80x = 70*90 +70x<BR>\n" );
document.write( "10x = 55*90<BR>\n" );
document.write( "x = 9*55 = 495<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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