Haxan
Haxan Haxan
  • 04-05-2018
  • Mathematics
contestada

In a school building, rhere are 8 exterior doors and twelve stairways to enter the second floor. Find the total number of ways to reach the second floor.

Respuesta :

israbennett israbennett
  • 04-05-2018
i think its 20 ways because 8 +12
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