We need to know the schedules . . . How often does each shuttle run ?
If you divide 21/49 by 7 you get 3/7
Answer: 24
Step-by-step explanation:
you add 12 to 39 which equals 51 then you subtract 51 from 75 which equals 24
hope this helps
the answer that I came up with is (c)
The question is not defined very well so if u would repeat it
