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Charlie receives an email from his brother every 4th day and from his sister every 7th day. When will he receive an email from both on the same day?

Charlie receives an email from his brother every 4th day and from his sister every 7th day. When will he receive an email from both on the same day?
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Charlie receives an email from his brother every 4th day and from his sister every 7th day. When will he receive an email from both on the same day?

User Alongkorn
by
8.5k points

2 Answers

3 votes
It should be the 28th day as you need to find the LCM if 4 and 7
User Jmgrosen
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7.8k points
1 vote

I'm pretty sure its the 28th day?? If not let me know.


User Esynce
by
8.4k points
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