The answer is 93
If we sorted out the number of each hours, the sequence will look like this
57 _ 69 _ 81 _ x _ 105
(in which x is the fourth hour of work)
We can see from the sequence that each hours, the mailman add additional 12 letters.
(69 - 57 = 12)
(81 - 69 = 12) . . . . proof
So, the amount of letters on the fourth hour would be:
81 letters + 12 letters = 93 Letters
Answer: -3.125
Step-by-step explanation: -1 divided by 8 = .125
Answer: A compound event is an event that has more than one possible outcomes.
Example: Outcome of rolling a 6 since the dice is 6 sided. 1/6 is the probability .
