document.write( "Question 249600: A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream. \n" ); document.write( "
Algebra.Com's Answer #181762 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
D=RT OR R=D/T
\n" ); document.write( "R=48/3=16 MPH
\n" ); document.write( "R=48/6=8 MPH.
\n" ); document.write( "(16-8)/2=8/2=4 MPH. IS THE CURRENT SPEED.
\n" ); document.write( "PROOF:
\n" ); document.write( "16-4=12 MPH. IS THE SPEED OF THE CRUISE BOAT.
\n" ); document.write( "8+4=12 DITTO.
\n" ); document.write( "
\n" ); document.write( "
\n" );