Respuesta :

30 degree Celsius, the standard answer in degree Fahrenheit is directly proportional to the answer in degree Celsius.

86°F to °C

C = 5/9 (F - 32)

C = 5/9 (86 - 32)

C = 5/9 54

C = 5/9 x 54/1 (cross multiply)

C = 270/9 (divide)

C = 30

86°F = 30°C