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Wyatt records the temperature outside his house for several hours one winter ever

below describes the temperature changes
• The temperature at 8 P.M. was -6.8 degrees Celsius.
• Between 8 P.M. and 10 P.M., the temperature change was +3.9 degrees Celsius.
The temperature change was -4.4 degrees Celsius between 10 P.M. and midnight.
What was the temperature at midnight?
F -1.5 degrees Celsius
G -7.3 degrees Celsius
H-15.1 degrees Celsius
J-6.3 degrees Celsius

1 Answer

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Answer: (G) -7.3 degrees Celsius

Explanation:

To find the temperature at midnight, we need to start with the temperature at 8 P.M. and then add or subtract the temperature changes that occurred between 8 P.M. and midnight.

The temperature change between 8 P.M. and 10 P.M. was +3.9 degrees Celsius, so the temperature at 10 P.M. was:

-6.8 + 3.9 = -2.9 degrees Celsius

The temperature change between 10 P.M. and midnight was -4.4 degrees Celsius, so the temperature at midnight was:

-2.9 - 4.4 = -7.3 degrees Celsius

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