2. A certain freezing process requires that room temperature
be lowered from 20°C at the rate of 5°C every hour. What
wi

1 thought on “2. A certain freezing process requires that room temperature<br />be lowered from 20°C at the rate of 5°C every hour. What<br />wi”

1. Answer:

   a=20

   d=-5

   n=8

   a+(n-1)d

   20+(8-1)-5

   20-35

   -15°C

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