2 1/5 * 3 3/4 =
11/5 * 15/4 =
33/4 =
8 1/4 (or 8.25) tons <==
Approximately 2%. The reason is if you choose 20% and only have four with beef as the most popular, and approximately the number of restaurants is 15.
I am assuming you want to find the simplest form of the inequality.
1.

2.

3.

1. Start
2. Subtract 9 from each side
3. Divide both sides by 3
8. It is divisible by both 32 and 40.