Raymond B. answered 03/09/23
Tutor
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Math, microeconomics or criminal justice
3 hours down stream
33 hours upstream
66 miles each way
d=rt
distance = rate of speed times time traveled
66 = 3(b+c) = 33(b-c)
b+c =22
3b + 3c = 66
3b - 3c = 66
6b = 132
b = 132/2 = 26 mph = boat speed in still water
c = 26-22= 4 mph = current speed