50 miles per hour.
The car's average speed is 75 miles per hour.
The average speed for the entire trip is 9mph.
5 hours.
During the first hour, they covered (60 x 1) = 60 miles.During the next 2 hours, they covered (45 x 2) = 90 miles.The total distance covered was (60 + 90) = 150 miles.The average rate was (distance/time) = (150/3) = 50 miles per hour.
20 miles per hour.
100 miles per hour
900/2.5 = 360 miles per hour
50 miles per hour.
8.9 miles an hour.
The car's average speed is 75 miles per hour.
The average speed for the entire trip is 9mph.
Average speed is usually a unit rate. So, if you travel 350 miles in 1 hour then that is said"350 miles per hour."
The average speed is 8 and 8/9 mph.
36 mph
About 45 mph.
The average sail boats travel at the rate at which the wind can pull them. There is no set rate.