tommyaberman
25.03.2020 •
Mathematics
At 10 P.M. the temperature was 15 degrees C. By midnight (12:00 A.M.), the temperature had dropped 40 degrees C. Write an integer to represent the temperature change from 10 P.M. to midnight.
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Ответ:
-40
Step-by-step explanation: Since the temperature dropped you would want to use a negative integer.
Ответ:
84:28, do it again by 2
42:14, and again
21:7, now each can be divided by 7
7:1 is your final ratio