should be injected to receive 40 units of insulin? Answer: 2. A formula for 1250 tablets contains 6.25 grams of diazepam. How many grams of diazepam should be used in preparing 550 tablets? (Round to three significant figures) Answer: 3. If 100 capsules contain 400 mg of an active ingredient, how many milligrams of the ingredient will 48 capsules contain? Answer: 4. A cough syrup contains 10 mg of dextromethorphan hydrobromide per 5 mL. How many milligrams of the drug are contained in a 120-mL container of the syrup? Answer: