Adam Has an Order for 1

Adam has an order for 1.5 oz of Maalox . The measuring device is calibrated in milliliters. He calculates the dose at 22.5 mL. If this is the wrong dose, what error did Adam make?

A) This is not the wrong dose.
B) This is the wrong answer; he chose the wrong conversion factor.
C) This is the wrong dose; he probably set up the equation wrong.
D) This is the wrong dose; he probably multiplied wrong.