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?

a. 16 mL of the 20% solution and 44 mL of the 50% solution
b. 44 mL of the 20% solution and 16 mL of the 50% solution
c. 11 mL of the 20% solution and 49 mL of the 50% solution
d. 49 mL of the 20% solution and 11 mL of the 50% soluion

Question

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?

a. 16 mL of the 20% solution and 44 mL of the 50% solution
b. 44 mL of the 20% solution and 16 mL of the 50% solution
c. 11 mL of the 20% solution and 49 mL of the 50% solution
d. 49 mL of the 20% solution and 11 mL of the 50% soluion

welch.chloe · Answer

WILL FAN AND MEDAL I NEED HELP PLEASE. I honestly do not understand the question.