15. A science teacher has a supply of 20% saline solution and a supply of 50% saline solution.
How much of each solution should the teacher mix together to get 60 mL of 28% saline
solution for an experiment?
(1 point)
16 mL of the 20% solution and 44 mL of the 50% solution
44 mL of the 20% solution and 16 mL of the 50% solution
16 mL of the 20% solution and 16 mL of the 50% solution
044 mL of the 20% solution and 44 mL of the 50% solution