Question

An 8-ounce glass of orange juice contains 72milligrams of vitamin C. How much juice contains 60milligrams of vitamin C?

Answer 1

8 ounce glass ----> 72 miligrams of vitamin C

x ounce glass ----> 60 miligrams of vitamin C

`\begin{gathered} x*72=8*60 \\ 72x=480 \\ (72x)/(72)=(480)/(72) \\ x=(20)/(3) \\ x=6(2)/(3) \end{gathered}`

answer:

6 2/3 ounce glass of orange juice