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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?

2 Answers

3 votes

Answer:

he will receive an email on the 28th day.

Explanation:

User Jopa
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5 votes
He will receive an email from both on the 28th day.
User Oueslati Bechir
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