document.write( "Question 162065: It takes a boat 4 hours to travel 24 miles down a river and 6 hours to return upstream to its starting point. What is the rate of the current in the river? \n" ); document.write( "
Algebra.Com's Answer #119440 by checkley77(12844)\"\" \"About 
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24/4=6 mph downstream.
\n" ); document.write( "24/6=4 mph upstream.
\n" ); document.write( "(6-4)/2=2/2=1 is the speed of the current.
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