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Two 7th grade students, Betty and Tami, both solved the following math problem if the temperature drops from 10- F to - 7. F. by how much did the temperature change? The students came up with different answers, Betty said the temperature decreased by 17-F. and Tami salud temperature decreased by 3-F. Who is correct?

Answer :

Answer:

Betty

Explanation:

The temperature change from 10 F to -7 is

[tex]10-(-7)[/tex]

the negative signs cancel with each other to give

[tex]10+7[/tex][tex]=17^oF\text{.}[/tex]

Hence, Betty was correct in saying that the temperature change is 17 F.

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