Is 4/2 equivalent to 1

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

How can writing phrases as algebraic expressions you solve problems?