document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=842352>Question 842352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car uses gasoline at a rate of 6.5 L /100km in the city and 5.5 L /100 km on the highway. when the car traveled 650 km, it used 40.0 L of fuel. how far did the car travel on the highway? how far did it travel in the city. how much fuel did it use on the highway/how much fuel did it use in the city </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #507538 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=507538\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Uniform rates problem for fuel efficiency.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28R%2Av=d%29 ALIGN=MIDDLE  ALT=\"highlight_green%28R%2Av=d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, R rate, v volume of fuel, d distance.<BR>\n" );
document.write( "The unit of rate R is kilometers per liter.\r<BR>\n" );
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document.write( "_________________fuel effic.________volume_________distance<BR>\n" );
document.write( "CITY_____________6.5/100______________()____________()__________<BR>\n" );
document.write( "HIGHWAY__________5.5/100______________()____________()__________<BR>\n" );
document.write( "TOTAL________________________________40______________650\r<BR>\n" );
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document.write( "Some missing information needs to be formulated.  Assign two variables, EITHER for volumes, OR for distances.  Here is my arbitrary choice:\r<BR>\n" );
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document.write( "_________________fuel effic.________volume_________distance<BR>\n" );
document.write( "CITY_____________6.5/100______________(c)____________()______<BR>\n" );
document.write( "HIGHWAY__________5.5/100______________(h)____________()______<BR>\n" );
document.write( "TOTAL_________________________________40______________650\r<BR>\n" );
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document.write( "Use your fuel efficiency equation rule to make expressions for the distances.\r<BR>\n" );
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document.write( "_________________fuel effic.________volume_________distance<BR>\n" );
document.write( "CITY_____________6.5/100______________(c)____________((6.5/100)c)<BR>\n" );
document.write( "HIGHWAY__________5.5/100______________(h)____________((5.5/100)h)<BR>\n" );
document.write( "TOTAL_________________________________40______________650\r<BR>\n" );
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document.write( "The table now indicates two linear equations in the variables c and h.<BR>\n" );
document.write( "SYSTEM TO SOLVE<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%286.5%2F100%29c%2B%285.5%2F100%29h=650 ALIGN=MIDDLE  ALT=\"%286.5%2F100%29c%2B%285.5%2F100%29h=650\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%2Bh=40 ALIGN=MIDDLE  ALT=\"c%2Bh=40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "The remaining arithmetic steps are for you to do. (Start by multiplying left and right sides of the distance equation by 200.) </SPAN>\n" );
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