Question

A 9-ounce of glass contains 72 milligrams of vitamin

Answer 1

Answer: 7.2 ounces


Explanation:



1) Data:

- glass size: 9-ounce

- content of vitamin C: 72 milligrams


- glasssize: x

- content of vitamin C: 60 milligrams


2) Proportion


9 ounces / 75 mg = x / 60 mg


3) Solution:


9 ounces × 60 mg = 75 mg × x


⇒ x = 9 ounces × 60 mg / 75 mg = 7.2 ounces