Which is the best estimate for the width of your index

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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 needs to earn his first free movie ticket.

15/16 as a decimal rounded to the nearest hundredth