document.write( "Question 24909: During 100km of city driving Sue averaged 8km/L. She then drove 300km on an interstate highway and averaged 12km/L for the entire 400km. Find her average fuel consumption on the highway. \n" ); document.write( "
Algebra.Com's Answer #13400 by stanbon(75887)\"\" \"About 
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100km at 8km/L requires 12.5 liters
\n" ); document.write( "300km at 12km/L requires 25 liters
\n" ); document.write( "Therefore 37.5 liters were used to go 400km.
\n" ); document.write( "Divide 400km by 37.5 liters to get 10 2/3 km/L\r
\n" ); document.write( "\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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