document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=910464>Question 910464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of 70% antifreeze should be mixed with 10 gallons of 30% antifreeze to obtain a 45% antifreeze mixture?\r<BR>\n" );
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document.write( "Here's what I have<BR>\n" );
document.write( "(0.30)(10gal)+(0.70)(x)=(0.45)(10+x)<BR>\n" );
document.write( "After I solve this I get 6 gallons but when I check the solution I don't get 45% so this cannot be the right way to solve this problem. Please help.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552545 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=552545\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have 10 gal of 30% antifreeze<BR>\n" );
document.write( "We want to add some 70% antifreeze to make   45% antifreeze<BR>\n" );
document.write( "0.7*x+0.3*10=0.45(10+x)<BR>\n" );
document.write( "0.7*x+3=4.5+0.45x<BR>\n" );
document.write( "0.7x-0.45x=4.5-3<BR>\n" );
document.write( "0.25x=1.5<BR>\n" );
document.write( "x=6 gal at 70% (4.2) is added to 10 gal at 30%(3) to make 45% of 16 gal(7.2)<BR>\n" );
document.write( "check<BR>\n" );
document.write( "Remember it is 45% of 16 gallons that is .45*16 which is 7.2<BR>\n" );
document.write( "0.7*6+0.3*10=0.45(10+6)<BR>\n" );
document.write( "4.2+3=0.45(16)<BR>\n" );
document.write( "7.2=7.2<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
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