document.write( "Question 659390: Lady drove to work going 45 mph and drove home on the same route going 30 mph. If her total commute took 1 hour, how far is it from her house to her work? \n" ); document.write( "
Algebra.Com's Answer #410769 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Lady drove to work going 45 mph and drove home on the same route going 30 mph. If her total commute took 1 hour, how far is it from her house to her work? \n" ); document.write( "---------- \n" ); document.write( "Round trip avg speed = 2*45*30/(45+30) = 36 mi/hr \n" ); document.write( "Round trip = 36 mi/hr * 1 hr = 36 miles \n" ); document.write( "18 miles each way. \n" ); document.write( " \n" ); document.write( " |