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3 July, 11:06

Gary has guitar lessons every 5 days and band practice every 4 days his first band practice is in 4 days and his first guitar lessons and band practice on the same day explain how you know

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Answers (2)
  1. 3 July, 13:10
    0
    20 days

    Step-by-step explanation:

    Gary has guitar lessons every 5 days

    Gary band practice every 4 days

    Gary first guitar lessons and band practice on the same day.

    Next day when both practice on same day should be multiple of 4 and 5.

    Least common multiple of 4 and 5,

    4 = 4, 8, 12, 16, 20, 24, ...

    5 = 5, 10, 15, 20, 25, ...

    Common multiple in both number is 20.

    After 20 days he will got for guitar lesson and band practice same day.
  2. 3 July, 14:48
    0
    Step-by-step explanation:

    5-4=1

    1+4=5
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