Answer: Temperature in Cold-spot is 11^∘C
Step-by-step explanation:Let f be the temperature in Frost-burg and c
be the temperature in Cold-spot (both in degrees centigrade). We are told [1] f = − 7
and
[2] f = c − 18
Substituting the value
[3] - 7 = c − 18
Add 18 to both sides:
[4] 11 = c