
Arturo O. answered 03/04/18
Tutor
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Experienced Physics Teacher for Physics Tutoring
You have contradictory data in the problem title and in the description, so you will get different answers.
Title:
r = (72 oz.)/(12 servings) = 72/12 oz./serving = 6 oz./serving
Description:
r = (6 oz.)/(2 servings) = 3 oz./serving