<u>Answer:
</u>
Temperature was 19 degree warmer in New York compare to temperature in Montreal.
<u>
Solution:
</u>
Given information is as follows
Temperature in Montreal = -8
Temperature in New York = 11
Need to find by how much degree the temperature was warmer in New York.
degree by which temperature was warmer in New York compared to Temperature of Montreal is equal to (Temperature in New York) – (Temperature in Montreal)
= 11 – (-8) = 11 + 8 = 19
Hence temperature was 19 degree warmer in New York compare to temperature in Montreal.