document.write( "Question 1180881: A boat can be rowed at 4 times the speed of the current. If the boater in travel 18 miles upstream in six hours and 10 miles downstream in two hours, how fast in miles per hour can the boat be rowed? Show your work \n" ); document.write( "
Algebra.Com's Answer #810697 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The upstream speed is the rate of the boat MINUS the speed of the current; the downstream speed is the rate of the boat PLUS the speed of the current. \n" ); document.write( "The upstream speed is 18/6=3mph; the downstream speed is 10/2=5mph. \n" ); document.write( "That means the rate of the boat is 4mph and the speed of the current is 1mph. \n" ); document.write( "The information that the boat speed is 4 times the speed of the current is not needed in the problem. \n" ); document.write( " \n" ); document.write( " |