document.write( "Question 1065516: A man rows downstream at the rate of 5 mph and upstream at the rate of 2mph. How far downstream should he go if he is to return 7/4 hours after leaving? \n" ); document.write( "
Algebra.Com's Answer #680675 by stanbon(75887) ![]() You can put this solution on YOUR website! A man rows downstream at the rate of 5 mph and upstream at the rate of 2mph. How far downstream should he go if he is to return 7/4 hours after leaving? \n" ); document.write( "----------------------- \n" ); document.write( "Downstream DATA: \n" ); document.write( "rate = 5 mph ; distance = d miles ; time = d/5 hrs \n" ); document.write( "--------------- \n" ); document.write( "Upstream DATA: \n" ); document.write( "rate = 2 mph ; distance = d miles ; time = d/2 hrs \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "d/5 + d/2 = 7/4 \n" ); document.write( "-- \n" ); document.write( "Multiply thru by 20 to get \n" ); document.write( "4d + 10d = 35 \n" ); document.write( "d = 35/14 \n" ); document.write( "distance = 2.5 miles \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |