# 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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