Josh has a rewards card for a movie theater. He receives 15 points for becoming a rewards card holder. He earns 3.5 points for each visit to the movie theater. He needs at least 55 points to earn a free movie ticket. Which inequality can Josh use to determine x, the minimum number of visits he need s to earn his first free movie ticket? *
a. 55 ≥ 3.5x + 15
b. 55 ≥ 15x + 3.5
c. 55 ≤ 3.5x + 15
d. 55 ≤ 15x + 3.5