if you drive 117 miles in 2 1/4 hours, what is your average speed?
117 / 2.25 = _____ mph
52 mph
To find the average speed, divide the total distance traveled by the total time taken.
In this case, the total distance traveled is 117 miles and the total time taken is 2 1/4 hours.
To simplify the calculation, we can change the mixed number 2 1/4 to an improper fraction.
2 1/4 is the same as (2 * 4 + 1)/4 = 9/4.
So, the total time taken in hours is 9/4 hours.
Now, divide the total distance traveled, which is 117 miles, by the total time taken in hours, which is 9/4.
117 / (9/4) = 117 * (4/9) = (117 * 4) / 9 = 468 / 9 = 52.
Therefore, the average speed is 52 miles per hour.