If on a given day the speed of sound increases by 5% between 8:00 am and 11:00 am,and if the temperature at 8:00 am was 21 C,what was the temperature at 11:00 am?
A) 21.6 C
B) 21.3 C
C) 25.4 C
D) 29.8 C
Correct Answer:
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