Answer:
7
Step-by-step explanation: calculate the prime factors of 7 and 21, than find the greatest common factor
<span>96-ounce container of orange juice cost $4.80
</span><span>128-ounce ................................................?
4.80 x 128 / 96 = $6.40
answer
</span>$6.40 - <span>128-ounce container</span>