It took 3.3 hours for marianne to drive 178.2 miles. what was her average speed for the trip?

Average speed of Marianne for the trip is 54 miles per hour

Step-by-step explanation:

Given that :

Distance traveled by Marianne for the trip = 178.2 miles

Time taken by Marianne to travel 178.2 miles = 3.3 hours

And, Distance = Average speed × Time taken

⇒ 178.2 = Average speed × 3.3

Hence, the average speed of Marianne for the trip is 54 miles per hour

stops on an even number.