A prescription calls for 1.5 L of an admixture to be infused over a period of 12 hr is received. If the administration set delivers 40 drops per milliliter, what infusion rate, in drops per minute,...

A prescription calls for 1.5 L of an admixture to be infused over a period of 12 hr is received. If the administration set delivers 40 drops per milliliter, what infusion rate, in drops per minute, should appear on the label of the admixture? Choose the best answer.