document.write( "Question 165544: A boy rows his boat 8 km downstream in 1 hr and 4 mins and return in 2 and 2/7hr.At what rate he will row in still water.What is the rate of the current. \n" ); document.write( "
Algebra.Com's Answer #122118 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 8=1.06667r \n" ); document.write( "r=8/1.06667 \n" ); document.write( "r=7.5 kph. \n" ); document.write( "8=2.2857r \n" ); document.write( "r=8/2.2857 \n" ); document.write( "r=3.5 kph. \n" ); document.write( "(7.5-3.5)/2=4/2=2 kph. for the current. \n" ); document.write( "7.5-2=5.5 kph. for the rowing speed. \n" ); document.write( "3.5+2=5.5 ditto.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |