document.write( "Question 402406: a boat travels 60 km upsteam in 5 hours. the boat travels the same direction downstream in 3 hours. what is the rate of the boat in still water? what is the rate of the current? \n" ); document.write( "
Algebra.Com's Answer #284658 by checkley79(3341)\"\" \"About 
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D=RT
\n" ); document.write( "D=60*5=300 K. IS THE DISTANCE
\n" ); document.write( "300/3=100 K/H IS THE SPEED ON THE RETURN TRIP.
\n" ); document.write( "(100+60)/2=40/2=20 K/H IS THE DIFFERENCE IN (CURRENT SPEED.
\n" ); document.write( "PROOF:
\n" ); document.write( "100-20=80 K/H FOR THE BOAT
\n" ); document.write( "60+20=80 DITTO
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