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Answered

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It takes an elevator 2 seconds to go from floor to floor. Each passenger
takes 1.5 to 2.0 seconds to board or exit. Twelve passengers board on the
first floor and exit on the fourth floor. How long will you wait if you are on
the seventh floor and ring for the elevator just as it leaves the first floor?

Sagot :

Answer:

38 seconds

Step-by-step explanation:

just take 2x7 for the elevator taking the time to reach your floor which is 14 seconds. then just add on the additional time that all the passengers take to get off the elevator as it's only counting the time since it starts moving. that is 12x2=24. now just add 24+14 and you get your answer of 38

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