50°C=…….F 50°C=……R 50°C=…….K

C : R : F = 5 : 4 : 9(+32)
1. 50 derajat C = … F
= 9/5 × 50
= 90
=90 + 32
=122 derajat F

2. 50 derajat C = … R
=4/5 × 50
=40
=40 + 32 
= 72 derajat reamur