Help me out rq! its easy 9th garde

Can someone me with this problem . show your work .

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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.