Help! Idk how to change this to a ratio in simplest form!

What are the values of each variable in the diagram below?

Tim earns $120 plus $30 for each lawn he mows. write an iniqualityvto represent how many lawns he needs to mow to make more than $310

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20