Medications A nurse has two solutions that contrain different concentrations of a certain medication . One is a 20% concentration , and the other is a 5% concentration. How many cubic centimeters of each should to obtain 10 cc of a 15.5% solution?

B a A iC b a = 13 and c = 18. Find mZB %3D

A mechanic needs an antifreeze-water mixture that is 60% antifreeze to fill a radiator. The mechanic has antifreeze that is 50% concentration and antifreeze that is 100% concentration. How many liters of each concentrtation off antifreeze must be mixed to produce 10L of 60% antifreeze? (I need to show work as well)

A doctor asks a nurse to give a patient 150 milligrams​ (mg) of the drug simethicone. The drug is available only in a solution whose concentration is 24 mg simethicone per 0.6 milliliter​ (ml) of solution. How many milliliters of solution should the nurse give the​ patient?