Q: Ivory and Brayan are doing school projects with a tight deadline and have to stay up late to complete everything. They prepare coffee to help them stay focused. If Brayan drinks twice as much coffee as Ivory, and Brayan drinks 4 cups of coffee in an hour, calculate the total number of cups of coffee they drink together in 5 hours.
A: If Brayan drinks 4 cups of coffee in an hour, twice what Ivory drinks, then Ivory drinks 4 / 2 = 2 cups of coffee in an hour. Together, they drink 4 + 2 = 6 cups of coffee in an hour. After 5 hours, they will drink 5 * 6 = 30 cups of coffee together. The answer is 30.

Q: Adam teaches 50 students a year. How many students will Adam teach in 10 years if in the first year he only teaches 40 students?
A: Adam will teach 50 * 9 = 450 students in 9 years. So, in 10 year Adam will teach 450 + 40 = 490 students. The answer is 490.

Q: Jeff plays tennis for 2 hours. He scores a point every 5 minutes. He wins a match when he scores 8 points. How many games did he win?
A:
He played for 2 * 60 = 120 minutes. So he scores 120 / 5 = 24 points. That means he won 24 / 8 = 3 games. The answer is 3.