Question

Путешествие от Углича по Волге на катере, ребята в первый день проплыли72км , а во второй день с той же скоростью-48км .Сколько всего часов длилась экскурсия на катере,если во второй день катер был в пути на два часа меньше, чем в первый?

Answer 1

72-48=24 (км) проплыли за 2 часа
V=S:t
24 км:2 ч=12 км/ч (скорость катера)
48 км+72 км=120 км (проплыли всего)
t=S:V
120 км:12 км/ч=10 час
Ответ: экскурсия длилась 10 часов

Answer 2

Calculating the Duration of the Boat Trip

To calculate the total duration of the boat trip, we can use the information provided about the distances traveled and the difference in time between the first and second days.

1. Distance Traveled: - On the first day, the group traveled 72 km. - On the second day, they traveled at the same speed but for a different duration.

2. Difference in Time: - The boat was in transit for two hours less on the second day compared to the first day.

Let's calculate the total duration of the boat trip based on this information.

Calculation

First, let's find the speed of the boat using the distance traveled and the time taken on the first day.

The speed of the boat can be calculated using the formula: \[ \text{Speed} = \frac{\text{Distance}}{\text{Time}} \]

Using the distance traveled on the first day (72 km) and assuming the time taken was \( t \) hours, we can calculate the speed.

\[ \text{Speed} = \frac{72}{t} \]

Now, we know that on the second day, the boat traveled for two hours less than on the first day. So, the time taken on the second day was \( t - 2 \) hours.

Using the speed calculated above, we can find the distance traveled on the second day: \[ \text{Distance} = \text{Speed} \times \text{Time} \]

The total duration of the boat trip will be the sum of the times taken on the first and second days.

Let's proceed with the calculations.