document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=585245>Question 585245</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mixture of 6% disinfectant solution is to be made from 7% and 3% disinfectant solutions. How much of each solution should be used if 32 gallons of 6% solution are needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373231 by </B><A HREF=/tutors/aboutme.mpl?userid=sofiyac><B>sofiyac(983)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sofiyac><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=sofiyac><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=373231\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If end result is 32 gallons then if we say we need x gallons of 7% solution it would mean we would need 32-x gallons of 3% solution<BR>\n" );
document.write( "percent1*volume1+percent2*volume2=finalpercent*totalvolume<BR>\n" );
document.write( "7x+3(32-x)=6(32)\r<BR>\n" );
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document.write( "7x+96-3x=192\r<BR>\n" );
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document.write( "4x+96=192<BR>\n" );
document.write( "4x=96<BR>\n" );
document.write( "x=24<BR>\n" );
document.write( "so we need 24 gallons of 7% solution and 32-24=8 gallons of 3% solution </SPAN>\n" );
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