Question

Problem Solving
Work Backward
The temperature was 16 degree Celsius when Becky returned home at 6 p.m. The temperature was 4 degree Celsius warmer at 3 p.m. than it was at 6 p.m. It was 3 degree Celsius warmer at 12 noon than it was at 3 p.m. What was the temperature at 12 noon?
T at 3pm was 16+4 = 20
T at noon was 20+3 = 23

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