Question

Первого дня автобус ехал со скоростью 70 км/год,а второго-82 км/год. Найди среднею скорость движения автобуса за два дня.

Answer 1

70+82=152 км/ч
152/2=76 км/ч - средняя скорость
ответ: 76 км/ч

Answer 2

Calculation of Average Speed

To find the average speed of the bus over the two days, we can use the formula:

Average Speed = Total Distance / Total Time

Since the time is given in days and the speed is given in kilometers per hour, we need to convert the time to hours and calculate the total distance traveled.

Let's calculate the average speed step by step:

1. Convert the time from days to hours: - The first day: 24 hours - The second day: 24 hours

2. Calculate the total distance traveled: - The first day: 70 km/h * 24 hours = 1680 km - The second day: 82 km/h * 24 hours = 1968 km

3. Calculate the total time: - Total time = 24 hours + 24 hours = 48 hours

4. Calculate the average speed: - Average speed = (Total Distance) / (Total Time) = (1680 km + 1968 km) / 48 hours = 3648 km / 48 hours = 76 km/h

Therefore, the average speed of the bus over the two days is 76 km/h.