A pharmacy’s recipe book provides a formula that yields 100…
A pharmacy’s recipe book provides a formula that yields 100 g of an ointment. You are to prepare 75 g of the ointment. The formula calls for 4 g of Drug A, 2 g of Drug B, 4 g of Drug C, and 90 g of Petrolatum Base Ointment. How much of each ingredient will you need?