Answer:
1.No- that just means that the numbers on that side are smaller
Step-by-step explanation:
Answer:
6,10,or 30 is your answer
I think this is a least common multiple question
So they would all arrive on day 504, (which probably is a few years)
8 = 2 × 2 × 2
18 = 2 × 3 × 3
21 = 3 × 7
I might be right I might be wrong, IM not positively sure but yknow