Find the speed of the boat with the current and against the current, if the speed of the current

univerkov | August 3, 2021 | education

Find the speed of the boat with the current and against the current, if the speed of the current is 3.2 km / h, and the boat’s own speed is 18.7 km / h.

1. Let’s find the speed of the boat along the river, for this we add the speed of the river to the boat’s own speed.

18.7 + 3.2 = 21.9 (km / h) boat speed along the river.

2. Find the speed of the boat against the current of the river, for this we subtract the speed of the river from the boat’s own speed.

18.7 – 3.2 = 15.5 (km / h) boat speed against the river.

Answer: 21.9 km / h; 15.5 km / h

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