So,
The temperature was -10 degrees in the morning. Given that it dropped 15 degrees by midnight, we could substract 15 to -10 to find the temperature at midnight:
[tex]-10-15=-25[/tex]The temperature at midnight was -25 degrees.
b. Clearly,
[tex]-10<15[/tex]c. The absolute value of the morning temperature is:
[tex]|-10|=-(-10)=10[/tex]That's because:
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