document.write( "Question 314729: a speedboat travels 5 miles at 30 miles per hour, then 1 hour at 48 miles per hour. what was the boats average speed for the 6 mile trip? \n" ); document.write( "
Algebra.Com's Answer #225083 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "5=30T \n" ); document.write( "T=5/30 \n" ); document.write( "T=1/6 IS THE TIME FOR THE 5 MILE TRIP. \n" ); document.write( "1+1/6=1.1667 IS THE TOTAL TIME. \n" ); document.write( "5+48=53 IS THE TOTAL DISTANCE \n" ); document.write( "53=R*1.1667 \n" ); document.write( "R=53/1.1667 \n" ); document.write( "R=45.43 MPH IS THE AVERAGE SPEED. \n" ); document.write( " |