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5 February, 09:20

Marcy is taking two types of medicine. She takes one medicine every 6 hours. She takes the other medicine every 4 hours. She takes both medicines at 9am. At what time will Marcy take both medicines together again?

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Answers (2)
  1. 5 February, 10:25
    0
    The answer is 9 pm

    6 hour x 2 is 12 hours

    4 hours x 3 is 12 hours

    9 am + 12 hours is 9pm
  2. 5 February, 10:59
    0
    At 9:00 P. M.

    Step-by-step explanation:

    Marcy is taking two types of medicine.

    One medicine every 6 hours and other medicine every 4 hours.

    She takes both medicines at 9 a. m. now we have to calculate the time at which Marcy take both medicines together again.

    We will calculate Lowest common multiple (LCM) of 6 and 4.

    LCM of 6, 4 = 2 * 2 * 3 = 12

    After 12 hours 9 A. M. = 9 P. M.

    After 12 hours at 9 P. M. she will take both medicines together again.
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Home » Mathematics » Marcy is taking two types of medicine. She takes one medicine every 6 hours. She takes the other medicine every 4 hours. She takes both medicines at 9am. At what time will Marcy take both medicines together again?
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