Question: Ross takes 17 breaths per minute by inhaling 5/9 liter of air to his lungs. What is the volume of air inhaled in 24 hours?
Answer with step-by-step thinking: We have 60 minutes per hour. So, in 24 hours we have 60 * 24 = 1440 minutes. So, the volume of air Ross inhaled in 24 hours is: 17 breaths / minute * 5 / 9 L / breath * 1440 minutes = 122400 / 9 = 13600 liters. The volume of air inhaled is 13600 liters.
So the answer is 13600.


Question: Joanna has $8. Compared to her money, her brother has thrice as much while her sister has only half as much. How much money do the three of them have altogether?
Answer with step-by-step thinking: Joanna has $8. Joanna's brother has thrice as much as Joanna, so he has $8 * 3 = $24. Her sister has half as much as Joanna, then she has $8 / 2 = $4. Together they have $8 + $24 + $4 = $36 altogether.
So the answer is 36.


Question: Phil has 10 books that are all 100 pages each. He moves to a new home and during the move, 2 books are lost. How many pages worth of books does Phil have left?
Answer with step-by-step thinking:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Phil starts with 10 books and loses 2, for 10 - 2 = 8 books. Each of Phil's remaining books has 100 pages, so he has 8 * 100 = 800 pages worth of books.
So the answer is 800.