Question

A doctor prescribes a 100-mg antibiotic tablet to be taken every eight hours. Just before each tablet is taken, 20% of the drug remains in the body. (a) How much of the drug is in the body just after the sec- ond tablet is taken

Answer 1

120 mg

Explanation:

20% of 100 is 20 so that would be 20mg plus the 100mg they just took

100+20=120mg

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