The temperature 45

The temperature in a field is 68°F at 4 PM.The temperature decreases 4°F per hour. When will the temperature be 60°F?

Correct answer:

t2 =  6 PM

Step-by-step explanation:

t1=4 P T1=68 °F r=4 °F/h T2=60 °F  T2 = T1 + r (t2t1)  t2=t1+rT2T1=4+(4)6068=6 PM

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