Question

Calculate the amount of drug in milligrams for the following dispensed containers;

ketoconazole 2 percent, 7 fl oz shampoo.

Answer 1

Ketoconazole = 59 milligrams
Shampoo = 30 milligrams

Answer 2

We know, 1 oz = 28349.5 mg
so, 7 oz = 198447

So, it would be: 198447 * 2%
= 198447 * 0.02
= 3968.24 mg

In short, Your Answer would be 3968.24 mg

Hope this helps!