document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=916938>Question 916938</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My car gets 17 miles per gallon in the city and 45 miles per gallon on the highway. Suppose I used 12.174 gallons of gas and got an average of 22 miles per gallon for the trip.\r<BR>\n" );
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document.write( "How many gallons did I use for each part of the trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556410 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=556410\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Uniform Rates, fuel consumption.<BR>\n" );
document.write( "RV=D  for rate, fuel volume, distance; V is gallons, D is miles.\r<BR>\n" );
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document.write( "________________rate__________volume___________distance<BR>\n" );
document.write( "CITY____________17<BR>\n" );
document.write( "HWY_____________45<BR>\n" );
document.write( "Totals__________22____________12.174\r<BR>\n" );
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document.write( "Assign variables, first impulse is for trying the volumes.\r<BR>\n" );
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document.write( "________________rate__________volume___________distance<BR>\n" );
document.write( "CITY____________17______________x_______________17x<BR>\n" );
document.write( "HWY_____________45______________y_______________45y<BR>\n" );
document.write( "Totals__________22____________12.174___________(22)(12.174)\r<BR>\n" );
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document.write( "The rest of the table cells are also filled with proper expressions or numbers.  This table indicates two linear equations in the unknown volume variables, x and y.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28system%28x%2By=12.174%2C17x%2B45y=%2822%29%2812.174%29%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28system%28x%2By=12.174%2C17x%2B45y=%2822%29%2812.174%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve that system.<BR>\n" );
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