Respostas

2013-12-10T16:21:43-02:00
Tc ⁄ 5=Tf-32⁄    
 15/5=Tf-32/9
   
3=Tf-32/9
   
 27=Tf-32
  
  Tf=27+32
  
  Tf=59 ° f
               
5 4 5