The gcf is 3 because that is thier greatest common factor that isn't 1
Box 1: 6 Box 2: 16 Box 3: 20 Box 4: 24
Answer:B-t=37705-20h
Step-by-step explanation:The answer is B because you need to get rid of all of the money she made working so you subtract 20 by how ever many hours she has worked
