A certain ferry moves up and down a river between Town A and B. It takes the ferry two hours to travel to Town A and only an hour and thirty minutes to return to Town B. If the current is 5mph how far apart are the two cities?

The distance between two cities is 60 miles.

Step-by-step explanation:

Time taken to travel from B to A = 2 hours

Time taken to travel from A to B = 1.5 hours

Current speed = 5 mph

Let the speed of ferry in still water = u mph

When the ferry moves with the current, it will taken lesser time (i.e. A to B) and when it moves against the current it will take more time (i.e. B to A).

Let the distance between the two cities A and B = D miles

While moving with the current, speed =

While moving against the current, speed =

Formula for Distance = Speed Time

Distance traveled in each case is same i.e. D.

So,

Now,

So, the distance between two cities is 60 miles.

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5 quiero

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7 puedan

8 quiero

9pedemos

10 dorme

step-by-step explanation: