The distance between cities by water is 250 km. 2 boats sailed to meet each other. Own speed of the first
| January 10, 2021 | education
The distance between cities by water is 250 km. 2 boats sailed to meet each other. Own speed of the first and second 25 km / h. The speed of the river is 5 km / h. How long will they meet.
1. Let’s find the speed of the boat, which moves along the river.
25 + 5 = 30 kilometers.
2. Determine at what speed per hour the boat is sailing, which is sailing against the stream of the river.
25 – 5 = 20 kilometers.
3. Find out the speed of convergence per hour.
30 + 20 = 50 kilometers.
4. Let’s calculate in how many hours they will meet each other, if it is said that the distance between them is 250 kilometers.
250/50 = 5 hours.
Answer: The boats will meet in 5 hours.
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