document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1122623>Question 1122623</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A family has two cars. During one particular week, the first car consumed 25 gallons of gas and the second consumed 40 gallons of gas. The two cars drove a combined total of 1600 miles, and the sum of their fuel efficiencies was 55 miles per gallon. What were the fuel efficiencies of each of the cars that week? </SPAN>\n" );
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document.write( " During one particular week, the first car consumed 25 gallons of gas and the second consumed 40 gallons of gas. The two cars drove a combined total of 1600 miles, and the sum of their fuel efficiencies was 55 miles per gallon. What were the fuel efficiencies of each of the cars that week?<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=D%2FV ALIGN=MIDDLE  ALT=\"R=D%2FV\"   DISABLED_style= \"max-width:90%; height:auto;\" >, fuel efficiency R in miles per gallons<BR>\n" );
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document.write( "              FUEL EFFICIENCY   VOLUME       DISTANCE\r\n" );
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document.write( "FirstCar         x               25            25x\r\n" );
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document.write( "SecondCar        y               40            40y\r\n" );
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document.write( "Totals          55               65            1600\r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x%2By=55%2C25x%2B40y=1600%29 ALIGN=MIDDLE  ALT=\"system%28x%2By=55%2C25x%2B40y=1600%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=275-5y%2B8y=320 ALIGN=MIDDLE  ALT=\"275-5y%2B8y=320\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3y=320-275 ALIGN=MIDDLE  ALT=\"3y=320-275\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=15%29 ALIGN=MIDDLE  ALT=\"highlight%28y=15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----------miles per gallon, the SecondCar\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=40%29 ALIGN=MIDDLE  ALT=\"highlight%28x=40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------------------FirstCar<BR>\n" );
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