conversations.from: human
conversations.value: There are 32 students in a statistics course.  25 percent of the class received an A.  1/4 of the remaining students got either a B or C, and the rest of the students failed.  How many students failed?
  What is the solution?
conversations.from: assistant
conversations.value: A grade:32(.25)=8
  32-8=24 students remaining
  B/C grade:24/4=6
  24-6=18 students fail