The speed of the boat along the river is 15.3 km / h. Find the speed of the boat against the current

univerkov | May 8, 2021 | education

The speed of the boat along the river is 15.3 km / h. Find the speed of the boat against the current of the river and the boat’s own speed if the speed of the river is 4.5 km / h.

Downstream speed – 15.3 km / h.
The current speed is 4.5 km / h.
What is the speed of the boat against the current and its own speed?
1) 15.3-4.5 = 10.8 (km / h) own speed.
2) 10.8-4.5 = 6.3 (km / h) upstream speed.
Its own speed is 10.8 km / h, and the speed against the current is 6.3 km / h.

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