According to Newtons Law of Cooling, if a body with temperature T₁ is placed in surroundings with temperature T₀ different from that of T₁, the body will either cool or warm to temperature T after t minutes, where T(t) = T₀ + (T₁ T₀) e^kt.

A chilled jello salad with temperature 39F is taken from the refrigerator and placed in a 68F room. After 10 minutes, the temperature of the salad is 45F. Use Newtons Law of Cooling t find the salads temperature after 20 minutes.

After 20 minutes the jello salad will have a temperature of _____________F.