Question

At 7 p.m. last night, the temperature was 10 degrees. At 7 a.m. the next morning, the temperature was -2 degrees. a) By how much did the temperaturechange from 7 p.m. to 7 a.m? b) The temperature changed by a steady amount overnight. By how much did it change each hour?

Answer 1

A) The temperature decreased by 12 degrees
F (-12)
B) It increased by 1 degree F each hour. (12÷12=1)

Answer 2

a 12 degrees b -1 degrees each hour