document.write( "Question 970193: A full tank of petrol is 40 liter, fuel mileage consumption is 7L/100km. How much petrol is in the tank if the distance indicator stated 80 km (until tank empty) \n" ); document.write( "
Algebra.Com's Answer #592842 by josgarithmetic(39630)\"\" \"About 
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Uniform Rates;
\n" ); document.write( "\"RV=D\" fuel efficiency, volume of fuel, distance.\r
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\n" ); document.write( "\n" ); document.write( "\"R+=+%287%2F100%29%28L%2Fkm%29\"
\n" ); document.write( "\"V+=+volumeOfLitersConsumed\"
\n" ); document.write( "\"D+=+80%2Akm\"\r
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\n" ); document.write( "\n" ); document.write( "Now, how much fuel is still in the tank?
\n" ); document.write( "\"40-V\"
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