Shannon made a scale drawing of a farm. The scale she used was 1 centimeter : 9 meters. The actual length of the goat pen is 18 meters. How long is the pen in the drawing?

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.