document.write( "Question 809784: One car tested can travel 780km on a tank of gasoline. How long should the car be able to travel at 65 km/h before it runs out of gas? If the car has a 53-L tank, then what is the average mileage of the vehicle? \n" ); document.write( "
Algebra.Com's Answer #487788 by josgarithmetic(39617)\"\" \"About 
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The car can go 780 km on 53 L. of fuel. This is \"780%2F53\" km/L or \"53%2F780\" L/km. Mileage, if meaning fuel efficiency, would be \"780%2F53=14.7\" km/L\r
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\n" ); document.write( "\n" ); document.write( "At speed of 65 km/h,
\n" ); document.write( "\"780+km+%2A%281%2F65%29+h%2Fkm+=+780%2F65=12\" hours
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