On July 10, the high temperature in Phoenix, Arizona, was 109°, and the high temperature in Juneau,

On July 10, the high temperature in Phoenix, Arizona, was 109°, and the high temperature in Juneau, Alaska, was 63°. What was the difference between the temperature in Phoenix and the temperature in Juneau?

Difference is found by subtracting the lower temperature from the higher temperature:
109 - 63 = 46