6pm: 16
3pm: 16+4 = 20
noon: 20+3 = 23
The temperature was 16 Celsius when Becky returned home at 6pm. The temperature was 4 celcius warmer at 3pm than it was at 6pm. It was 3 celcius warmer at 12pm than it was at 3pm. What was the temperature at 12pm?
1 answer