John takes 3 naps a week. Each nap is 2 hours long. In 70 days how many hours of naps does he take?
Thoughts? Step-by-step reasoning:
There are 70 / 7 = 10 weeks in 70 days. So he takes 10 * 3 = 30 naps. That means he naps for 30 * 2 = 60 hours.
Thus, the answer is 60.