Question

Of 300 seventh graders predict how many use of computer 5-10 hours each week

Answer 1

2250 hours of 300 computers used in average(mean) in a week

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