Q: Twenty years ago, Shane was 2 times older than Garret is now. If Garret is currently 12, how old is Shane now?
A: Twenty years ago, Shane was 12 * 2 = 24 years old. Shane is currently 24 + 20 = 44 years old. The answer is 44.

Q: Malou got 91, 90, and 92 in her three quizzes. What is her average score?
A: The sum of the three quizzes that Malou got is 91 + 90 + 92 = 273. So, her average score is 273 / 3 = 91. The answer is 91.

Q: Chalktown High School had their prom last weekend. There were 123 students who attended. If 3 students attended on their own, how many couples came to the prom?
A:
There were 123 students 3 single attendees = 120 students in couples. 120 students / 2 in a couple = 60 couples. The answer is 60.