Need help use the table to figure out the problems

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost