Lizzy: Sasha can complete 15 questions an hour. If she has 60 questions to complete and she works for 2 hours, how many questions does she still need to complete?.
Me: Hmmm, let me think. I think this is the detailed solution:
User
Sasha completes 15 questions / hour * 2 hours = 30 questions. This means there are still 60 questions – 30 questions = 30 questions left to complete. Final answer: 30.
Assistant