1. T-Mobile has a family plan of four lines for $120 and additional lines are $10 each per month. If Jason wants to spend at most $175 per month on cell phone expenses, how many additional lines can he afford?

They gave me this but i don’t know what to put
A. X<_5.5
B. X< 5.5
C. X > 550
D. X > 5.5 Help!

And they also said this but I also don’t know what to put

A. He can afford exactly 5 additional lines

B. He can afford more than 5 lines

C. He can afford no more than 5 additional lines

Hel!!!