Question

Скорость лодки по течению реки 19 км в час, а против течения 13 км ч.Какова скорость течения реки?

Answer 1

19 км я считаю)))))))

Answer 2

Calculation of River Current Speed

To calculate the speed of the river current, we can use the following formula:

Speed of boat in still water = Speed of boat downstream - Speed of river current

Given that the speed of the boat downstream is 19 km/h and the speed of the boat upstream (against the current) is 13 km/h, we can substitute these values into the formula:

19 km/h = 13 km/h + Speed of river current

To find the speed of the river current, we can rearrange the equation:

Speed of river current = 19 km/h - 13 km/h

Simplifying the equation, we get:

Speed of river current = 6 km/h

Therefore, the speed of the river current is 6 km/h.