I believe LX is the answer.
This is a 20% increase. If we divvy up the 25 into 5 groups, we can say that each group is 20%. since we added another group of 5, we can go off of our known values and say that this was a 20% increase.
Distribute the 12 by multiplying so it would be 96b-60 and they aren’t like terms so that’s as far as you can go
Answer: 2 2/3 (two and two thirds)