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)\"\" \"About 
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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
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