I'm doing something in math, and i need to find out how many people live in one of these states, or both of them. 1 in past the other now, etc. the two states that i chose are florida and georgia. i have to do this on a popular site.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?