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Answer :
To solve the problem of finding the new temperature after a decrease from the initial temperature, follow these steps:
1. Define a Variable: Let's call the change in temperature "c". If the temperature decreases, "c" will be a negative number.
2. Write an Expression: To account for changes in temperature, you can use the expression [tex]\(76 + c\)[/tex], where 76 degrees Fahrenheit is the initial temperature, and [tex]\(c\)[/tex] represents the change in temperature.
3. Evaluate the Expression: Since we are dealing with a decrease of 8 degrees, we set [tex]\(c = -8\)[/tex].
- Substitute [tex]\(c = -8\)[/tex] into the expression:
[tex]\[
76 + c = 76 + (-8)
\][/tex]
4. Calculate the Result:
- Simplify the expression:
[tex]\[
76 + (-8) = 76 - 8 = 68
\][/tex]
Therefore, after a decrease of 8 degrees Fahrenheit, the new temperature is [tex]\(68^\circ F\)[/tex].
The correct choice from the given options is:
- [tex]\(76+c ; 76+(-8)=68 ; 68^{\circ} F\)[/tex]
1. Define a Variable: Let's call the change in temperature "c". If the temperature decreases, "c" will be a negative number.
2. Write an Expression: To account for changes in temperature, you can use the expression [tex]\(76 + c\)[/tex], where 76 degrees Fahrenheit is the initial temperature, and [tex]\(c\)[/tex] represents the change in temperature.
3. Evaluate the Expression: Since we are dealing with a decrease of 8 degrees, we set [tex]\(c = -8\)[/tex].
- Substitute [tex]\(c = -8\)[/tex] into the expression:
[tex]\[
76 + c = 76 + (-8)
\][/tex]
4. Calculate the Result:
- Simplify the expression:
[tex]\[
76 + (-8) = 76 - 8 = 68
\][/tex]
Therefore, after a decrease of 8 degrees Fahrenheit, the new temperature is [tex]\(68^\circ F\)[/tex].
The correct choice from the given options is:
- [tex]\(76+c ; 76+(-8)=68 ; 68^{\circ} F\)[/tex]
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