Order: grain 1/300 of a prescribed medication.
available : Grain 1/150 per tablet.
How many tablets should be given?
ANSWER.
* Calculation of number of tablets required.
Ordered dose = grain 1/300.
Avaialble dose = grain 1/150.
Number of tablets required = Ordered dose/Available dose
= grain 1/300 / grain 1/150
= 2 tablets.
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