The speed of the boat against the stream of the river is 17 2/5 km / h and the own speed of the boat is 19 km / h
| March 24, 2021 | education
The speed of the boat against the stream of the river is 17 2/5 km / h and the own speed of the boat is 19 km / h. Find the speed of the river and the speed of the boat downstream.
1. Let’s calculate what the speed of the river is equal to.
19 – 17 2/5 = 18 5/5 – 17 2/5 = 1 3/5 kilometers per hour.
2. Find the speed of the boat along the river.
19 + 1 3/5 = 20 3/5 kilometers per hour.
Answer: The speed of the river is 1 3/5 kilometers per hour. The speed of the boat along the river is 20 3/5 kilometers per hour.
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