Question

plz help
For each hour worked in excess of 40 hours per week, a mechanic is paid 1(1/2) times her regular rate of $12 per hour. Her gross pay for a week in which she works 52hours is equal to her pay at the regular rate for how many hours?

(A) 58 (B) 64 (C) 66 (D) 70 (E) 78