At 7:00

At 7:00 AM, Peter took a reading of the outside temperature of 40℉. During the day, the temperature dropped 9℉, rose 5℉, and then dropped again another 2℉. What was the outside temperature at after his last reading?

Correct answer:

t4 =  34 °F

Step-by-step explanation:

t1=40 °F t2=t19=409=31 °F t3=t2+5=31+5=36 °F t4=t32=362=34°F

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