Marco needs $57 to buy new basketball shoes. If Marco earns $3 per day working and already has $12 saved, which equation shows how many days Marco must work before he can afford the shoes?
A. 3d = 57
B. 3d - 12d = 57
C. 3d = 45
D. 3d - 12 = 57
Whoever get's it correct will get brainliest
