document.write( "Question 1171503: On Jeff's outgoing trip, he travels 648 miles and uses 18 gallons of gas. On his return trip, Jeff travels a different route. Jeff travels 672 miles on the return trip and uses 24 gallons of gas.
\n" ); document.write( "How many miles per gallon did Jeff's car get on the entire trip?\r
\n" ); document.write( "\n" ); document.write( " 23 miles per gallon
\n" ); document.write( " 28 miles per gallon
\n" ); document.write( " 36 miles per gallon
\n" ); document.write( " 32.5 miles per gallon
\n" ); document.write( " 31.4 miles per gallon
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Algebra.Com's Answer #796412 by Theo(13342)\"\" \"About 
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going he used 18 gallons for 648 miles.
\n" ); document.write( "coming back he used 24 gallons for 672 miles.
\n" ); document.write( "on the trip going and coming back he used 18 + 24 = 42 gallons for 648 + 672 = 1320 miles.
\n" ); document.write( "miles divided by gallons = miles per gallon, therefore 1320/42 = 31.42857143 miles per gallon.
\n" ); document.write( "that's for the whole trip.
\n" ); document.write( "that should be your answer.
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