Ubah 40 derajat C menjadi derajat reamur , fahrenheit , kelvin

4/5 × 40° = 32°R
9/5 × ( 40 + 32 ) = 9/5 × 72 = 129,6°F
40 + 273 = 313°K

c/r=5/4
5r=4c
r=4/5x40
=32°r
c/(f-32)=5/9
5(F-32)=9c
F=9/5x40+32
=104°F
c/(k-273)=5/5
5(k-273)=5c
k=5/5x40+273
=40+273
=313°k
maaf kalau saya salah