Jawabanmu

2014-02-10T20:39:24+07:00
R = 5 × 80 = 100 derajat C
      4
R = ( 9 × 80 ) + 32 = 212 derajat F
        4
2014-02-10T20:42:54+07:00
Tc=5/4xtr
    =5/4x80
    =100 derajat celcius
tf=(9/4x80) + 32= 212 derajat F