The distance between the two berths is 24 km, how much time will the boat spend from one berth
| April 26, 2021 | education
The distance between the two berths is 24 km, how much time will the boat spend from one berth to the other if its own speed is 12 km / h and the speed of the river is 4 km / h.
1. Let’s find what the speed of the boat will be equal to along the river, if its own speed is 12 km / h, and the speed of the current is 4 km / h:
12 + 4 = 16 km / h.
2. Let us find how long it takes the boat to sail downstream for 24 km using the formula t = S / v, where S is the path, v is the speed, t is the time:
t = 24/16 = 1.5 hours.
Answer: along the river, the boat will sail 24 km in 1.5 hours.
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