25 POINTS ASAP PLZZZ HELP!!!!!

Deb has a small, empty container with a capacity of 0.5 pints. She pours 1.5 teaspoons of concentrated cleaning solution into the container. She fills the rest of the container with water. Deb also has a large, empty container with a capacity of one gallon. Suppose that Deb wants to mix a batch of cleaning solution and water in the larger container. If she uses the same percentage of cleaning solution (by volume) that she used in the smaller container, how much cleaning solution will Deb be adding to the larger container? Use these conversion factors to help you decide:
1 cup = 48 teaspoons
1 pint = 2 cups
1 quart = 2 pints
1 gallon = 4 quarts

A. 50 teaspoons
B. 5 cups
C. 20 teaspoons
D. 0.5 cups