Respostas

2014-03-27T09:44:44-03:00
T °C / 5 = TF - 32 / 9

25°C / 5 = TF -32 / 9

9 x 25 = 5TF - 5x32

225 +160=  5TF

285 / 5 = TF      TF = 57 F