Lawrence has $50.
He wants to buy some T-shirts that cost $12 each.
He also wants to have at least $10 left to buy lunch.
Which inequality shows the number of T-shirts, x, Lawrence can buy and still have at least $10 for lunch?
 A. 
x ≤ 3
 B. 
x ≥ 3
 C. 
x ≤ 4
 D. 
x ≥ 4