Select the Correct Formula to Use to Identify the Amount

Select the correct formula to use to identify the amount of drug in 1 mL of solution.

A) Amount of drug (mL) /Amount of fluid * Supply = 1 mL
B) Supply : Have :: 1 mL : Desire
C) Supply/Have = 1 mL/Desire
D) Amount of drug (mL) /Amount of fluid = Amount of drug in 1 mL