1. 80°C=…°K 2. 59°F=…°C 3. 36°R=…°F 4. 25°K=…°F 5. 68°F=…°K

1. K= C+273
--> 80+273 = 353°K

2.C= 5/9 (F-32)
--> 5/9 (59-32)
5/9 . 27 = 15°C

3.F= 9/4 (R+32)
-->9/4 (36+32) = 9/4 . 68 = 153°F

4.F= 9/5 (K-273) + 32
-->9/5 (25-273) + 32 = -196°F

5.K= 5/9 (F-32)+273
--> 5/9 (68-32)+273 = 293°F