Q: Tom has only been getting 6 hours of sleep a day. He increases that by 1/3. How many hours of sleep does he get per night?
A: 8
Explain how we arrive at this answer: 
user
Explanation: He increases his sleep by 6 / 3 = 2 hour per night. So he now gets 6 + 2 = 8 hours of sleep per night.
assistant