49.2k views
1 vote
Please help me the question is. Marco's grandmother and his uncle both called Marco today.

• Marco's grandmother calls him once every 6 days.
• Marco's uncle calls him once every 9 days.
How many days will it be until they both call him on the same day again

1 Answer

6 votes

Answer:

18 days until they both call him on the same day

Explanation:

The common multiples of 6 and 9 is 18, 36, 54, etc. 18 is the first common multiple so Marco's grandparents willl call Marco on the 18th day. please boost me

User Manisha
by
8.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.