tolong donk cara gimana?

termometer Celcius : reamur : Fahrenheit = 5 :4 : 9
60°C = reamur & Fahrenheit
reamur = 4/5 X 60 = 48
Fahrenheit = 9/5 X 60 + 32° = hitung sendiri

32° r = °C & F°
Celcius = 5/4 X 32 = 40
Fahrenheit = 9/5 X 40 + 32 = 104