Math

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A watch loses five seconds every one hour How many minutes will it loss in two days

  • Math -

    1 day=24 hours
    2 days=48 hours
    If it loses 5seconds every hour then in 48hours it will lose
    48hoursx5seconds=240seconds
    60seconds=1minute
    =240/60
    =4minutes
    In 2days,it loses 4minutes

  • Math -

    good work, but if you are going to include the units in your expressions, it is important to be careful with them:

    48hours x 5seconds=240 hour-seconds

    what you need to do is make sure that the units cancel properly.

    48hr x 5s/hr = 240s

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