document.write( "Question 473625: A boat takes 5 hours to go 300 km downstream and it takes same time to go 150 km upstream. calculate the speed of boat in still water and speed of stream. \n" ); document.write( "
Algebra.Com's Answer #324834 by Alan3354(69443)\"\" \"About 
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300/5 = 60 km/hr
\n" ); document.write( "150/5 = 30 km/hr
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\n" ); document.write( "The boat's speed is the average = (60 + 30)/2 = 45 km/hr
\n" ); document.write( "The current is the difference = 15 km/hr\r
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