Final answer:
Mariana drives a total of 468 miles by multiplying her speed, 52 miles per hour, by the time she spends driving, which is 9 hours.
Step-by-step explanation:
To calculate the total distance Mariana drives, you use the formula for distance that is distance = speed × time. Since the speed is given as 52 miles per hour and the time is 9 hours, you simply multiply these two values together.
Distance = 52 mph × 9 h = 468 miles
Therefore, Mariana drives a total of 468 miles.