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?
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Algebra.Com's Answer #600152 by josgarithmetic(39620)\"\" \"About 
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
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\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
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\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
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\n" ); document.write( "\n" ); document.write( "You have this system of equations:
\n" ); document.write( "\"system%28x%2By=1675%2C30x%2B35y=50%29\"
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