Question

Теплоход 3 часа шел по озеру со скоростью 23 км/ч потом 4часа по реке сколько км прошел теплоход за эти 7 ч если по реке он шел на 3 км/ч быстрее чем по озеру

Answer 1

1) 3*23=69 (км) - прошел по озеру.
2) 23+3=26 (км/ч) - скорость на реке.
3) 4*26=104 (км) - прошел по реке.
4) 26+104=130 (км) - прошел за 7ч.
Ответ: 130 км.

Answer 2

4*3=12 (км)прошел по реке.
23*3=69(км) по озеру
69+12=81(км)всего

Answer 3

Calculation of Distance Traveled by the Boat

To calculate the distance traveled by the boat, we need to determine the distance covered during the 3 hours on the lake and the distance covered during the 4 hours on the river.

The boat traveled at a speed of 23 km/h on the lake and 3 km/h faster on the river.

Let's calculate the distance covered on the lake first.

Distance covered on the lake: - Speed on the lake: 23 km/h - Time spent on the lake: 3 hours

To calculate the distance, we can use the formula: distance = speed × time.

Therefore, the distance covered on the lake is: 23 km/h × 3 hours = 69 km.

Now, let's calculate the distance covered on the river.

Distance covered on the river: - Speed on the river: 23 km/h + 3 km/h = 26 km/h (3 km/h faster than on the lake) - Time spent on the river: 4 hours

Using the same formula, the distance covered on the river is: 26 km/h × 4 hours = 104 km.

Finally, to find the total distance traveled by the boat in 7 hours, we add the distances covered on the lake and the river:

Total distance = Distance on the lake + Distance on the river = 69 km + 104 km = 173 km.

Therefore, the boat traveled a total distance of 173 km in 7 hours, with a speed of 23 km/h on the lake and 26 km/h on the river.

Answer

The boat traveled a total distance of 173 km in 7 hours, with a speed of 23 km/h on the lake and 26 km/h on the river.