Ramen is buying boxes of party favors for sons birthday party he has to decide how many boxes should purchase? FORMULA ONLY

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

What is the inverse of the function f(x)=2x+1

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