<PRE><B>Question 313940</B>
D=RT
12=R*2
R=12/2
R=6 MPH WITH THE CURRENT.
12=R*3
R=12/3
4 MPH AGAINST THE CURRENT.
(6+4)/2=10/2=5 MPH IS THE SPEED OF THE BOAT IN STILL WATER.
6-5=1 MPH FOR THE CURRENT.
5-4=1 DITTO.
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