Mathematics, 10.10.2021 22:20, lakenyahar

R= 42 – 0.7t Quinn returned home one summer's day to find it extremely hot. He turned the air conditioner on, and the room's temperature began decreasing at a constant rate. The equation shown above gives the room's temperature, R, in degrees Celsius, t minutes after Quinn turned on the air conditioner.

What was the room's temperature, in degrees Celsius, when Quinn returned home?

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R= 42 – 0.7t Quinn returned home one summer's day to find it extremely hot. He turned the air cond...