A trampoline park costs $12 for the first hour and $6 for each additional hour. Flynn pays $30 at the trampoline park. Select the equation that represents the given situation and find the number of additional hours Flynn stays at the trampoline park after the first hour. A.
6x + 12 = 30; 2 hours
B.
12x + 6 = 30; 3 hours
C.
6x + 12 = 30; 3 hours
D.
12x + 6 = 30; 2 hours