document.write( "Question 1140684: a family has two cars. the first car has a fuel efficiency of 20 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. during one particular week, the two cars went a combined 1050 total of miles, for a total gas consumption of 45 g \n" ); document.write( "

Algebra.Com's Answer #761244 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
R, fuel efficiency
\n" ); document.write( "V, volume of fuel
\n" ); document.write( "D, distance
\n" ); document.write( "RV=D\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "A few different questions can be answered from the analysis of the description.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Give a variable to something.
\n" ); document.write( "

\r\n" );
document.write( "                FUEL EFFIC        VOLUME       MILES\r\n" );
document.write( "FirstCar          20\r\n" );
document.write( "SecondCar         25\r\n" );
document.write( "TOTALS                             45          1050\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "                FUEL EFFIC        VOLUME       MILES\r\n" );
document.write( "FirstCar          20               v           20v\r\n" );
document.write( "SecondCar         25              45-v         25(45-v)\r\n" );
document.write( "TOTALS                             45          1050\r\n" );
document.write( "\r\n" );
document.write( "

\n" ); document.write( " $\"highlight_green%2820v%2B25%2845-v%29=1050%29\"$
\n" ); document.write( "You can solve this equation for v, volume of fuel for first car; and then evaluate volume of fuel for second car, and each of the distance for these two cars. \n" ); document.write( "

\n" );