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Question
A nurse gives her patient one tablet every 45 minutes. How many tables she will need for a 9 hours long duty, if she gives the first table at the beginning and the last table at the last of her duty?
A nurse gives her patient one tablet every 45 minutes. How many tables she will need for a 9 hours long duty, if she gives the first table at the beginning and the last table at the last of her duty?
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Solution
The correct option is D 12
45 x 4 = 180 minutes = 3 hours
In 3 hours she gives 4 tablets, so in 9 hours she gives 12 tablets.
12
45 x 4 = 180 minutes = 3 hours
In 3 hours she gives 4 tablets, so in 9 hours she gives 12 tablets.
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