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URGENT!! How do I solve this?

Every 3 days Seth goes to the gym. Brian, his brother, goes every 5 days. What day will they both go to the gym?

A.) the 15th day
B.) the 20th day
C.) the 12th day

Respuesta :

A.) the 15th day, because you would the less common multiple is 15 of 3 and 5.
Shoshorrm
A the 15th day because, the least common multiple of 15, 3, and 5
Sorry I wrote this answer but forgot to send I hope you understand :3

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