Respostas

2014-03-18T09:15:57-03:00
Usando a formula C/5 = F - 32 /9
C = 30
30/5 = F -32 /9
15 = F - 32 /9
15 x 9 = F - 32
135 = F -32
135 + 32 = F
167 = F
2014-03-18T09:47:21-03:00
Resposta

Formula

 \frac{F - 32}{9}  =  \frac{C}{5}

 \frac{F - 32}{9} = \frac{30}{5}

 \frac{F - 32}{9} =  6

F - 32 = 9.6

F - 32 = 54

F = 54 + 32

F = 86ºF