document.write( "Question 978777: A family has two cars. The first car has a fuel efficiency of
\n" );
document.write( "30 miles per gallon of gas and the second has a fuel efficiency of
\n" );
document.write( "35 miles per gallon of gas. During one particular week, the two cars went a combined total of 1675 miles, for a total gas consumption of 50 gallons. How many gallons were consumed by each of the two cars that week? \n" );
document.write( "
Algebra.Com's Answer #600152 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! R, fuel efficiency MILES per GALLON, D, MILES, V, volume of fuel, related as RD=V.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let x be distance that first car went; \n" ); document.write( "let y be distance that second car went; \n" ); document.write( "This data table shows all the essential information:\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "_________________rate______________distance_____________fuel volume \n" ); document.write( "first____________30_________________x___________________30x \n" ); document.write( "secnd____________35_________________y___________________35y \n" ); document.write( "Totals_____________________________1675_________________50\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You have this system of equations: \n" ); document.write( " |