The temperature at 2 p.m. was 22'C above zero .
If decreases at the rate of 3'C per hour until
mid night ,at what time would the tenperature be
2'C below zero.

Dear student,
Change in temp=-2-22=-24 ℃
Time take to reach -2℃
T=24/3=8 hour
Timing will be 10 P.M

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