document.write( "Question 1069573: Bill rows his boat at 10 miles per hour. He rowed 20 miles down a stream and then rowed back to his starting point the stream is flowing at 2 mikes per hour how many hours and minutes did it take him \n" ); document.write( "
Algebra.Com's Answer #684769 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Bill rows his boat at 10 miles per hour. He rowed 20 miles down a stream and then rowed back to his starting point the stream is flowing at 2 mikes per hour how many hours and minutes did it take him. \n" ); document.write( "---- \n" ); document.write( "Downstream:: \n" ); document.write( "dist = 20 miles ; rate = 10+2 mph ; time = 20/12 = 1 2/3 hrs \n" ); document.write( "--- \n" ); document.write( "Upstream:: \n" ); document.write( "dist = 20 miles ; rate = 10-2 mph ; time = 20/8 = 2 1/2 hrs \n" ); document.write( "----- \n" ); document.write( "Ans: 5/3 + 5/2 = (10+15)/6 = 25/6 = 4 1/6 hrs = 4*60+10 = 250 minutes \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " \n" ); document.write( " |