document.write( "Question 711756: If you drove for 30 minutes at 60 mph and 10 minutes at 38 mph. What was your average speed for the trip? \n" ); document.write( "
Algebra.Com's Answer #437606 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=60*.5 \n" ); document.write( "D=38*.167 \n" ); document.write( "D=60*5+38*.167 \n" ); document.write( "D=30+6.346 \n" ); document.write( "D=36.346 MILES. \n" ); document.write( "36.346=R(.5+.167) \n" ); document.write( "36.346=.667R \n" ); document.write( "R=36.346/.667 \n" ); document.write( "R=54.34 MPH. IS THE AVERAGE SPEED. \n" ); document.write( " \n" ); document.write( " |