Turkey temperature = 185 F
Room temperature = 70 F
after 30 minutes if turkey's temperature  = 150 F
so   150  = 185 - K( 185 -70) 30
   K =  ( 185- 150)  /  30 (115)
    K =  35  /  3450
    K=   7  /  690
T(45) Â = Â 185 - (45) ( 7 / 690) (115)
     185 - 52.5  =  132.5
 Temperature after 45 minutes =  132.5 F