Question

If the patient has to be administered a dosage of 2 tablets every 8 hours for 7 days, what is the number of tablets required for the prescribed dosage?

Answer 1

If the patient has to take 2 tablets every 8 hours for 7 days.
 24/8=3     3*2=6
this means that he patient will have to take 6 tablets every day. 
6*7=42   And the patient must take 42 tablets in all 7 days
Hope this helps! :)