Andy buys shoes that are on sale for 25% off the regular price. If the sale price is $36.45, what was the regular price of the s
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The number of ways people can get off the elevator is 604800 ways.
In this question,
Number of people, n = 7
Number of floors, r = 10
The first person can leave elevator in one of 10 ways. Then second person has to choose from one of remaining 9 floors. Then third person in 8, fourth in 7 ways and so on.
Number of ways people can get off the elevator can be calculated as
⇒
⇒
⇒
⇒
⇒
⇒ 604800 ways.
Hence we can conclude that the number of ways people can get off the elevator is 604800 ways.
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Answer:
Step-by-step explanation:
This answer is easily found using the Pythagorean Theorem:
where A and B are the legs, and C is the hypotenuse of the triangle.