Answer: 1,000,000,000,000,000,000,000,
Step-by-step explanation:
The correct answer for this would be the last option. The factors of 48m - 80n are 16(3m - 5n). If you try to solve this, the result would be 48m - 80n. 16 x 3m would be 48m and 16 times 5n would be 80n. Hope this is the answer that you are looking for.
144 million chocolate bars made in 9 days :)