1. 68°C =........R.........F........K 2. 176°F =....... C.........R.......K

1.) Tr = 4/5.tc
= 4/5.68
= 54,4°R

tf = 9/5.tc+32
=9/5.68+32
= 154,4°F

tk = tc +273
= 68 +273
= 341°K

2.) tc = 5/9.(tf-32)
= 5/9.(176-32)
= 80°C

tr = 4/9(tf-32)
=4/9.176-32
= 64°R

tk = 176°f