For 1 and 2 use the number lines given to complete the 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.

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

If np3 /nc2 = 6, find the value of n