Anyone want to help me out with this?? Find the equation of the exponential function represented by the table

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Mrs. chibas is making chocolate chip cookies for her daughter's class. she bought a tub of chocolate chip cookie dough that contained 57.6 ounces of dough. if each cookie needs 1.2 ounces of dough, how many cookies can she make