No one can help because you didn't give anything to help you with.
First you must add up all of the numbers. Then divide the sum by the number of students in the class. You will get 2.65 as your answer. Then round to the nearest number. Your final answer is 3.
Answer:
see from my point of view I can see the ans of 1no 0,4
C I think because all of them add up to it so it would be 5seconds
