Respuestas

  • Usuario de Brainly
2012-04-12T04:39:44+02:00

 H     9

--- = ---

 T     5

 

 21     9

--- = ---

 T     5

 

21 (5) = 9 T

 

21 (5)

------- = T

   9

 

105

---- = T

 9

 

T = 11, 6

 

T = 12