Asked by suuny
a boat travels 10 miles upstream in 4 hours. the boat travels the same distance downstream in 2 hours. Determine the rate of boat in still water and the rate of the current?
Downstream speed = b(still water) + c(current)
Upstream speed = b - c
upstream rate = 10/4 miles/hr
downstream rate = 10/2 = 5 miles/hr
what to do next? thanks
Downstream speed = b(still water) + c(current)
Upstream speed = b - c
upstream rate = 10/4 miles/hr
downstream rate = 10/2 = 5 miles/hr
what to do next? thanks
Answers
Answered by
Steve
So,
b-c = 10/4
b+c = 5
b-c = 10/4
b+c = 5
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