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Suppose the elevator starts at street level, goes up 10 floors, and then goes down 3 floors. What floor is the elevator on?

Respuesta :

msm555

the elevator is on 7th floor.

Answer:

Solutions given:

street level increases when goes up and decreases when goes down.

from street level

0+10-3=7

the elevator is on 7th floor.

Street level is floor no 0

Then it goes to 10floors .

Current floor

  • 0+10
  • 10

Then goes down three floors

Final floor.

  • 10-4
  • 7

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