The speed of the ship downstream is 80.3 km / h and the speed of the current is 6.9 km / h.

univerkov | April 29, 2021 | education

The speed of the ship downstream is 80.3 km / h and the speed of the current is 6.9 km / h. Find the speed of the ship, its speed against the current.

To solve this task, first we need to find our own speed of the motor ship, for this we need to subtract the speed of the current from the rate of movement of the motor ship behind the current:

80.3 – 6.9 = 73.4 kilometers per hour, the own speed of the ship.

Then we can find the speed of the motor ship against the current, for this we need to subtract the speed of the current from the own speed of the motor ship:

73.4 – 6.9 = 66.5 kilometers per hour.

Answer: the own speed of the ship will be 73.4 km / h, and the speed of the ship against the current will be 66.5 km / h.

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