An average speed of 40 miles per hour.
2 to 65
At double the speed, it's presumable that the five hours less is half of the time the trip took in the one direction - hence, the first trip took 10 hours. To travel 280 miles in ten hours, the average speed would be 28 MPH, and to halve that on the return trip, the average speed would be 56 MPH
You find out what the distance is and then divide it by the amount of time it took. You divide a known distance by the length of time it has taken to travel over it, this gives you speed. For instance if you travel 60 miles and it takes 1 hour, you divide 60 by 1, which leaves 60 so your speed is 60 miles per hour. If you travelled 60 miles and it took 2 hours then 60 divided by 2 is 30, so your speed was 30 miles per hour, and so on.
Speed is calculated as the distance an object travels, divided by the amount of time it took to go that amount of distance. For example - a car takes 2 hours to travel 80 miles. 80/2 is 40 - so it's speed is 40 mph.
An average speed of 40 miles per hour.
To find out how long it took Bob to travel 605 miles at an average speed of 55 miles per hour, you can use the formula: time = distance / speed. Plugging in the numbers, time = 605 miles / 55 miles per hour, which equals 11 hours. Therefore, it took Bob 11 hours to complete his trip.
You divide the distance traveled by the number of hours it took to travel it. For example, a 500-mile trip completed in 10 hours = 500 / 10 = an average of 50 miles per hour.
3 x 65 = 195
330 miles
2 to 65
154 miles / 5.5 hours = 28 miles / hour
At double the speed, it's presumable that the five hours less is half of the time the trip took in the one direction - hence, the first trip took 10 hours. To travel 280 miles in ten hours, the average speed would be 28 MPH, and to halve that on the return trip, the average speed would be 56 MPH
330 miles.
You find out what the distance is and then divide it by the amount of time it took. You divide a known distance by the length of time it has taken to travel over it, this gives you speed. For instance if you travel 60 miles and it takes 1 hour, you divide 60 by 1, which leaves 60 so your speed is 60 miles per hour. If you travelled 60 miles and it took 2 hours then 60 divided by 2 is 30, so your speed was 30 miles per hour, and so on.
Speed and velocity are different. Speed is how fast something's moving. Velocity is speed combined with the direction the thing is moving. Speed is calculated by dividing the distance traveled by the time it took to travel this distance. For example, if you drove 100 miles in two hours the speed would be 100 divided by 2 or 50 miles per hour.
The average speed is determined only by the total distance traveled and the total time. Thus, the average speed is: (1+10+60) / 6 = 11.83 mph