The temperature 20

The temperature is rising 4 degrees each hour and is currently 62 degrees.
How many hours before the temperature are at least 80 degrees?

Correct answer:

t =  4.5 h

Step-by-step explanation:

T1=62 °F T2=80 °F s=4 °F/h t=sT2T1=48062=29 h=4.5 h

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