Question

one winter night the temperature fell 12 degrees between midnight and 5 a.m. by 9 a.m.the temperature had doubled from what it was at 5 a.m. by​ noon, it had risen another 8 degrees to 28 degrees. what was the temperature at​ midnight?

Answer 1

At 9am, temperature = 28 - 8 = 20 degrees
At 5am, temperature = 20/2 = 10 degrees
At midnight, temperature = 10 + 12 = 22 degrees