document.write( "Question 705391: Wayne drove 3 hours on a freeway at 55 mi/hr and then 10 miles in the city at 35 mi/hr. What was his average speed? \n" ); document.write( "
Algebra.Com's Answer #434566 by checkley79(3341)\"\" \"About 
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D=RT
\n" ); document.write( "D=55*3+35*10
\n" ); document.write( "D=165+350
\n" ); document.write( "D=515 TOTAL DISTANCE.
\n" ); document.write( "515/(3+10)=515/13=39.62 MPH. IS THE AVERAGE SPEED.
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