document.write( "Question 747653: Starting from home,James traveled uphill to the office supply store for 75 minutes for 4 mph. He traveled back home along the same path downhill at a speed of 12 mph. What is the average speed for the entire trip from home to the office supply store and back? \n" ); document.write( "
Algebra.Com's Answer #455060 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Starting from home,James traveled uphill to the office supply store for 75 minutes for 4 mph. He traveled back home along the same path downhill at a speed of 12 mph. What is the average speed for the entire trip from home to the office supply store and back? \n" ); document.write( "---------- \n" ); document.write( "Avg speed = 2*4*12/(4+12) \n" ); document.write( "= 6 mi/hr \n" ); document.write( " \n" ); document.write( " |