4-6-5 3-5-4 2-8-? Ok, can somebody please help me.

You need to find ?. This is not math this is brain game and i can't solve it
please help
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F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48