PLEASE HELP
Suppose you are timing how long it takes a car to race down a wooden track placed at a forty five degree angle. The times for five races are recorded. The mean time for the 5 races is 2.75 seconds. What was the total time for the five races?
A. 13.75 seconds
B. 7.75 seconds
C. 6.875 seconds
D. 27.75 seconds
