Answer:
J/6, where J is the measure of the contents of the full jar
Step-by-step explanation:
Let J represent the volume of the full jar of salsa.
Two thirds of this jar of salsa are divided among four people. Thus, the amount of salsa shared in this way is (2/3)J.
Each of the four people will receive one fourth of this (2/3)J:
1 2J
--- * ------- = J/6.
4 3