What is the answer of the following satisfies the phrase "The sum of five and one third of a number n devided by the sum of twice number y and 3"?

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

How do i do this activity, is appreciated

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?