Answer:
2250 hours of 300 computers used in average(mean) in a week
Step-by-step explanation:
300 * 7.5 hours(average hours) = 2250 hours
how to find mean or average of any amount of numbers ?
Basiccaly just add all numbers and then divide it by the numbers you added
example: The mean of 5-10 hours would be
5 + 10 = 15
15/2 = 7.5