Question

solve it

chapter integers class 7​

Answer 1

temperature after 11 hrs = 11×12 = 132

ans: 132°C

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Answer 2

Answer:

Here is your answer.

Step-by-step explanation:

Temperature before freezing = 60°

Cooling rate = 1 hour = 12° C

11 hours = 12° C × 11 = 132° C

Temperature after 11 hours = 60° C - 132° C = - 72° C

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