The temperature at 12 noonat a certain place was 18° above zero . If it decreases at the rate of 3°per hour at what time it would be 12° below zero
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Answer:
11 at night or 22:00
Step-by-step explanation:
12 =18
13 =15
14 =12
15 =9
16 =6
17 =3
18 =0
19 =-3
20 =-6
21 =-9
22 =-12
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