SOLUTION: Please I really need help on how to solve this word problem. Monica's motorboat took 5hr to make a trip downstream with a 6-mph current. The return trip against the same current t

Question 809429: Please I really need help on how to solve this word problem.
Monica's motorboat took 5hr to make a trip downstream with a 6-mph current. The return trip against the same current took 8 hr. Find the speed of the boat in still water.
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
Let r = speed of boat in still water.
Let d = distance either direction.

Fundamental Rate*Time=Distance
Downstream,
Upstream,

The distance is the same for both directions.

Solve for r.
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