Temperature(Math)
posted by Andrew .
At 5 o'clock in the morning, the temperature at the top of the race course was 13o. By 10:00 A.M., it was +12o. How much had the temperature risen? Answer: 25o
The temperature rose from 12o to +23o by noon. How much did the temperature change? Answer: 11o
In the afternoon, the temperature fell rapidly from +23o to 1o. How much change is this? Answer: 24o
By 7:00 P.M., the temperature was 9o. How much had the temperature changed from 10:00 A.M.? Answer: 34o
It continued to get colder. By midnight, the temperature was 35o colder than it had been at noon. What was the midnight temperature?
Answer: 24o
If the temperature rose 120 between midnight and 6:00 A.M. the next morning, what was the temperature at 6:00 A.M.? Answer: 12o
Correct?

The temperature rose from 12o to +23o by noon. How much did the temperature change? Answer: 11o >> WRONG
By 7:00 P.M., the temperature was 9o. How much had the temperature changed from 10:00 A.M.? Answer: 34o >> WRONG
It continued to get colder. By midnight, the temperature was 35o colder than it had been at noon. What was the midnight temperature?
Answer: 24o >> WRONG 
By 7:00 P.M., the temperature was 9o. How much had the temperature changed from 10:00 A.M.? ANswer: 21o?

Right.

I don't get how number 2 is wrong we did that one in class

7o'clock