SOLUTION: A motor boat travels at the rate of 50kph down the river. If the current of the river is 5kph, how far can it travel up the river in 2 hours?

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Question 550804: A motor boat travels at the rate of 50kph down the river. If the current of the river is 5kph, how far can it travel up the river in 2 hours?

Answer by ankor@dixie-net.com(15657) About Me  (Show Source):
You can put this solution on YOUR website!
A motor boat travels at the rate of 50kph down the river.
If the current of the river is 5kph, how far can it travel up the river in 2 hours?
:
Find the speed of the boat in still water
50 - 5 = 45 mph
:
Find the distance (d) up river in two hrs
d = 2(45-5)
d = 80 km