Final answer:
The car's average speed over the course of 5 days for a distance of 2359 miles was approximately 19.66 mph, which rounds to 20 mph.
Step-by-step explanation:
To calculate the car's average speed in miles per hour, you divide the total distance traveled by the total time taken. In this case, the car traveled 2359 miles over the course of 5 days. Since there are 24 hours in a day, the total time in hours is 5 days multiplied by 24 hours per day.
Total time in hours = 5 days × 24 hours/day = 120 hours
Now we calculate the average speed using the formula:
Average speed = Total distance / Total time
Average speed = 2359 miles / 120 hours
When calculated, the average speed is approximately 19.66 miles per hour. Rounding to the nearest mile per hour gives us an average speed of 20 mph.