document.write( "Question 813869: A boat can travel 10 mph in still water. The boat travels 60 miles up a river with a 5 mph current and then returns to its starting point. Find the average rate for the round-trip using the definition of average rate. \n" ); document.write( "
Algebra.Com's Answer #490007 by Alan3354(69443) You can put this solution on YOUR website! A boat can travel 10 mph in still water. The boat travels 60 miles up a river with a 5 mph current and then returns to its starting point. Find the average rate for the round-trip using the definition of average rate. \n" ); document.write( "--------------- \n" ); document.write( "Find the time up river. \n" ); document.write( "Find the time down river. \n" ); document.write( "Add them for the total time. \n" ); document.write( "Avg rate = 120/total time. \n" ); document.write( " \n" ); document.write( " |