document.write( "Question 826422: A person travels 24 miles at 6 mph, 20 miles at 10 mph and 20 miles at 5 mph. what is the persons average rate for the complete distance? \n" ); document.write( "
Algebra.Com's Answer #498230 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A person travels 24 miles at 6 mph, 20 miles at 10 mph and 20 miles at 5 mph. what is the persons average rate for the complete distance? \n" ); document.write( ": \n" ); document.write( "Find the total distance of the trip: 24 + 10 + 20 = 54 miles \n" ); document.write( "let a = the average speed of the whole trip \n" ); document.write( "write a time equation; time = dist/speed \n" ); document.write( " \n" ); document.write( "4 + 2 + 4 = \n" ); document.write( "10 = \n" ); document.write( "10a = 54 \n" ); document.write( "a = \n" ); document.write( "a = 5.4 mph is the av speed of the trip \n" ); document.write( " |