document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=762281>Question 762281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A family has two cars. During one particular week, the first car consumed 20 gallons of gas and the second consumed 25 gallons of gas. The two cars drove a combined total of 1375 miles, and the sum of their fuel efficiencies was 60 miles per gallon. What were the fuel efficiencies of each of the cars that week\r<BR>\n" );
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document.write( "First car = how many gallons?<BR>\n" );
document.write( "Second car = how many gallons? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #463959 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=463959\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First car = x<BR>\n" );
document.write( "Second car = y<BR>\n" );
document.write( "  x +   y = 55.......1<BR>\n" );
document.write( "35x + 25y = 1675.....2<BR>\n" );
document.write( "Multiply (1) by 25<BR>\n" );
document.write( "25x + 25y = 1375...3<BR>\n" );
document.write( "35x + 25y = 1675...2<BR>\n" );
document.write( "Subtract (3) from (2)<BR>\n" );
document.write( "10x      = 300<BR>\n" );
document.write( "  x      = 30<BR>\n" );
document.write( "Substitute x = 30 into (1)<BR>\n" );
document.write( "x + y = 55<BR>\n" );
document.write( "30 + y = 55<BR>\n" );
document.write( "     y = 55 - 30<BR>\n" );
document.write( "     y = 25<BR>\n" );
document.write( "First car 30 gallons<BR>\n" );
document.write( "Second car 25 gallons </SPAN>\n" );
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