document.write( "Question 1147914: A family drives 123 miles in 2 hours, then goes another 4 miles in 15 minutes, then travels another 191 miles in 3 3/4 hours. What was their average speed to the nearest tenth of a mile per hour? \n" ); document.write( "

Algebra.Com's Answer #769248 by josgarithmetic(39620) $\"\"$ $\"About$

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Total Miles of Distance
\n" ); document.write( " $\"123%2B4%2B191\"$
\n" ); document.write( " $\"318\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Total Hours of Time
\n" ); document.write( " $\"2%2B1%2F4%2B3%263%2F4\"$
\n" ); document.write( " $\"cross%285%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Average speed is total miles divided by total time. \n" ); document.write( "

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