At sunrise

At sunrise, the temperature at the North Pole was –13°F. Three hours later, the temperature increased to 18°F. By 8PM, the temperature decreased 5°F. What was the temperature at 8PM?

Correct answer:

t3 =  1 °F

Step-by-step explanation:

t1=12 °F t2=t1+18=(12)+18=6 °F t3=t25=65=1°F



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