Janice's office is on the third floor, and she has to walk up 3 flights of stairs to get to her office. In a single day, she goes up the three flights of stairs 5 times, down the the three flights of stairs 3 times, and uses the elevator the remainder of the time. How many flights of stairs does Janice walk (up and down) in a single day?
Thoughts? Step-by-step reasoning:
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Janice walks up 3 flights of stairs 5 times per day, for a total of 3 * 5 = 15 flights of stairs. Janice walks down 3 flights of stairs 3 times per day, for a total of 3 * 3 = 9 flights of stairs. In total, she walks 15 + 9 = 24 flights of stairs in a single day.
Thus, the answer is 24.
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