Answer:
To calculate the speed at which Blake's car is traveling, we need to divide the distance traveled by the time taken. In this case, Blake's car traveled 100 miles in 1 1/4 hours.
To convert the time taken to a decimal format, we can express 1 1/4 hours as 1.25 hours. Now, we can divide the distance traveled (100 miles) by the time taken (1.25 hours) to find the speed.
Therefore, Blake's car is traveling at a speed of 80 miles per hour.
Explanation: