Answer:
She has 336 ounces of juice altogether.
Explanation:
Given,
The number 64-ounce cartons of orange juice = 3,
So, the the total quantity of 3 cartoons of orange juice = 3 × 64 = 192 ounces,
Also, The number 48-ounce cartons of apple juice = 3,
So, the the total quantity of 3 cartoons of apple juice = 3 × 48 = 144 ounces,
Thus, the total quantity of juice = 192 ounces + 144 ounces = 336 ounces,
Hence, she has 336 ounces of juice altogether.