Find the least common multiple of 3 and 5:
3: 3,6, 9,12,15,18,21
5: 5, 10, 15, 20
The least common multiple is 15. This means every 15 days they will be the same day.
Add 15 days to May 5:
5 + 15 = 20
The next day would be May 20
The correct answer is B because she needs to know how many row are there to get the final total of chairs in the meeting hall.
Answer:y=3b
Step-by-step explanation:
Answer:
20 times
Step-by-step explanation:
