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A speedboat moves at a rate of 25 km/hr in still water. How long will it take someone to ride the boat 87 km downstream if the river's current moves at a rate of 4 km/hr?

A speedboat moves at a rate of 25 km/hr in still water. How long will it take someone to ride the boat 87 km downstream if the river's current moves at a rate of 4 km/hr?
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3 votes
A speedboat moves at a rate of 25 km/hr in still water. How long will it take

someone to ride the boat 87 km downstream if the river's current moves at a rate of
4 km/hr?

asked
User Reshure
by
8.4k points

1 Answer

7 votes

Answer:

3 hours

Explanation:

Downstream, the speeds add up:

  • 25 + 4 = 29 km/h

It will take:

  • 87/29= 3 hrs

To ride 87 km.

answered
User Hitesh Patel
by
7.8k points
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