document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=792300>Question 792300</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mixture of 5% disinfectant solution is to be made from 7% and 4% disinfectant solutions. How much of each solution should be used if 36 gallons of 5% solution are needed?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #479902 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=479902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A mixture of 5% disinfectant solution is to be made from 7% and 4% disinfectant solutions. How much of each solution should be used if 36 gallons of 5% solution are needed?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "dis + dis = dis<BR>\n" );
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document.write( "0.07x + 0.04(36-x) = 0.05*36<BR>\n" );
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document.write( "7x + 4*36 - 4x = 5*36<BR>\n" );
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document.write( "3x = 36<BR>\n" );
document.write( "x = 12 gallons (amt. of 7% solution needed)<BR>\n" );
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document.write( "36-x = 24 gallons (amt. of 4% solution needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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