Problema Solution
One winter night the temperature fell 15 degrees between midnight and 5am. By 9am, the temperature had doubled from what is was at 5am. By noon, it had risen another 10 degrees to 32 degrees. What was the temperature at midnight?
Answer provided by our tutors
Let 'x' represent the temperature at midnight.
2*(x - 15) + 10 = 32
........
click here to see the equation solved for x
........
x = 26 degrees
The temperature at midnight was 26 degrees.