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15 November, 12:32

Today middle school and highschool are servung pizza. Middle school does not repeat meal until the 15th day. Highschool repeats on the 20th day. When will middle school and highschool both serve pizza again?

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  1. 15 November, 14:00
    0
    The answer to your question is 60 days

    Step-by-step explanation:

    Data

    Middle school every 15th day

    High school every 20 day

    When will the schools serve pizza again?

    Process

    1. - Calculate the Least Common Factor

    15 20 2

    15 10 2

    15 5 3

    5 5 5

    1 1

    LCF = 2 x 2 x 3 x 5

    = 60 days

    2. - Conclusion

    In 60 days Middle school and Highschool will serve pizza again.
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