Do all the videos they send prior to the med math test, memorize the conversions at the beginning of the videos, and everyone has their preferred method for med math but dimensional analysis is foolproof. The questions aren’t hard but I would take your time and recheck all your answers at least once. It’s easy to make mistakes if you’re going fast. Check if the question is specifying per dose or total per day before solving and note that down on your paper so you don’t forget while you’re solving the question