Answer:
(a).

(b). 2 liters juice.
Explanation:
We have been given that Ms. Hayes has 1/2 liter of juice. She distributes it equally to 6 students in her tutoring group.
(a). To amount the amount of juice needed for each student, we will divide 1/2 liter by 6 as:

Using property
, we will get:


Therefore, each student will get
liter of juice.
(b). To find the amount needed for 24 students each having
liter of juice, we will multiply 24 by
.

Therefore, Ms. Hayes needs 2 liters of juice.