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Dana recorded a temperature drop of 20 and a second temperature drop of 30. What is the total change in temperature

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Answer: the answer will be 10

Step-by-step explanation: Because you are subtracting 30-20 since it says what is the total change in the temperature. do you undeerstand now?

Answer: -50

Step-by-step explanation:

-20 + -30 = -50

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