document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23246>Question 23246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The fuel for a certain two cycle engine is a mixture of 8 parts gasoline and 2 parts oil. How many gallons of gas are needed to make 20 gallons of fuel? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11951 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=11951\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Set up a ratio of gas to total fuel.  8 parts gas + 2 parts oil = 10 parts total fuel.\r<BR>\n" );
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document.write( "Let x = number of gallons of gas needed to make 20 gallons of fuel.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28gas%29%2F%28total%29+=+8%2F10=+x%2F20 ALIGN=MIDDLE  ALT=\"%28gas%29%2F%28total%29+=+8%2F10=+x%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Remember <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Fb=c%2Fd ALIGN=MIDDLE  ALT=\"a%2Fb=c%2Fd\"   DISABLED_style= \"max-width:90%; height:auto;\" > means that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ad=bc ALIGN=MIDDLE  ALT=\"ad=bc\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In the same way, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2F10=+x%2F20 ALIGN=MIDDLE  ALT=\"8%2F10=+x%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > means that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2A20=10%2Ax ALIGN=MIDDLE  ALT=\"8%2A20=10%2Ax\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "10x = 160<BR>\n" );
document.write( "x= 16 gallons\r<BR>\n" );
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document.write( "You can do it in your head without an equation if you like.  Just think about the ratio of 8 gallons of gas to 10 gallons total.  The 20 gallons total is exactly twice as much as the 10 gallons, so the gas will be exactly twice the 8 gallons or 16 gallons.  However, it usually doesn't work out this nicely.  That's why I like to do it with the ratio and equation.\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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