SOLUTION: a cruise boat travels 96 miles downstream in 2 hours and returns to its starting point upstream in 6 hours. find the speed of the stream

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Question 341728: a cruise boat travels 96 miles downstream in 2 hours and returns to its starting point upstream in 6 hours. find the speed of the stream
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
96=(R+C)*2 DOWNSTREAM TRIP
96=(R-C)*6
(R+C)2=(R-C)6
2R+2C=6R-6C
-4R=-8C
R=8C/4
R=2C RATE OF THE BOAT IS 2 TIMES THE CURRENT
96=(2C+C)2
96=3C*2
96=6C
C=96/6
C=16 MPH.
96=(R+16)2
96=2R+32
2R=96-32
2R=64
R=64/2
R=32 MPH.