document.write( "Question 1039672: Marcus drives to school at an average speed of 24 miles per hour and returns home along the same route at an average speed of 40 miles per hour. If his total travel time is 4 hours, what is the total number of miles in the round trip to and from school? \n" ); document.write( "
Algebra.Com's Answer #654423 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! n miles/24 mph+n miles/40 mph=4 hours \n" ); document.write( "5n+3n=480 \n" ); document.write( "8n=480 \n" ); document.write( "n=60 miles both ways, or 120 miles round-trip!!!!!!!!!!!!!!! \n" ); document.write( " |