Question

Автобус ехал 5 часов по грунтовой дороге а затем 3 часа по шоссе со скоростью 65,8 километров в час с какой скоростью автобус ехал по грунтовой дороге Если весело путь равен 324,9 километров

Answer 1

Пусть x скорость по грунту.
То :
5x + 3*65.8=324.9
5x = 324.9 - 197.4
5x = 127.5 | 5
x = 25.5
ответ : 25 , 5 км/ч

Answer 2

По грунтовой дороге он ехал со скоростью 25,5 км/ч

Answer 3

Calculation of Speed on Gravel Road

To calculate the speed at which the bus traveled on the gravel road, we can use the formula:

Speed = Distance / Time

Given that the bus traveled for 5 hours on the gravel road and the total distance of the journey is 324.9 kilometers, we can calculate the speed as follows:

Speed on Gravel Road = Distance on Gravel Road / Time on Gravel Road

Speed on Gravel Road = (Total Distance - Distance on Highway) / Time on Gravel Road

Speed on Gravel Road = (324.9 km - Distance on Highway) / 5 hours

Now, we need to find the distance traveled on the highway. We know that the bus traveled on the highway for 3 hours at a speed of 65.8 kilometers per hour. Using the formula:

Distance = Speed * Time

Distance on Highway = Speed on Highway * Time on Highway

Distance on Highway = 65.8 km/h * 3 hours

Distance on Highway = 197.4 kilometers

Substituting this value into the previous equation, we can calculate the speed on the gravel road:

Speed on Gravel Road = (324.9 km - 197.4 km) / 5 hours

Speed on Gravel Road = 127.5 km / 5 hours

Speed on Gravel Road = 25.5 kilometers per hour

Therefore, the speed at which the bus traveled on the gravel road was 25.5 kilometers per hour.