2. Mercury High School is requiring students to purchase parking permits this year in order to

use campus parking lots. It costs the school a one-time fee of $500 to have the logo

designed. It also costs $2 per permit to print and cut out each one. They expect the average

cost of each permit to be $6.

a. Write a rational equation that describes the situation above.

b. How many parking permits does Mercury High School need to sell in order for the

average cost of a student's parking permit to be $6? Solve your equation from part (a)

to answer the question. Justify your solution as it relates to the context.