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.

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Solution

Dear student,
Change in temp=-2-22=-24 â„ƒ

Time take to reach -2â„ƒ

T=24/3=8 hour

Timing will be 10 P.M

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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 â„ƒ Time take to reach -2â„ƒ T=24/3=8 hour Timing will be 10 P.M

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 â„ƒ

Time take to reach -2â„ƒ

T=24/3=8 hour

Timing will be 10 P.M