http://classic.7sage.com/lsat_explanations/lsat-20-section-4-question-19/
This question is giving me a hard time. I am pretty sure I have translated correctly. Please chime in if you know where I am going wrong.
It is a MBT ?
First Premise: MCA (Mail that is correctly addressed) --most--> A2D (Arrives in 2 Days)
Second: MCA --> [/A2D] --> DT (Damaged in Transit) - The sentence says "MCA [takes longer than this] only when DT." I think this is where my mistake is, but we will see.
Third: /A2D - most mail arrives in 3 or more days
The Answer: A large proportion of mail is incorrectly addressed