asked 25.2k views
1 vote
HEEEEEEELLLLLLP! And QUICKLY!

In the Empire state building, one elevator leaves the 3rd floor and goes up at a speed of 2 floors per second. Another elevator leaves the 59th floor at exactly the same time and goes down at the same speed.
A) If the two elevators do NOT stop, how long will it take them to pass each other?

B) At what floor will the elevators pass each other?

2 Answers

1 vote

Answer:

A) 14 seconds

B) 31st floor

Explanation:

First one:

3 + 2s

Second one:

59 - 2s

3 + 2s = 59 - 2s

4s = 56

s = 14

3 + 2(14)

31

answered
User Ananya
by
7.4k points
3 votes
The 31st floor at 14 seconds, I am pretty sure.
answered
User Cedrics
by
8.1k points
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