High School

What will the temperature be in degrees Fahrenheit when it is [tex]$80^{\circ}$[/tex] Celsius outside? (Recall the formula [tex]F = \left(\frac{9}{5}C\right) + 32[/tex].)

A. [tex]176^{\circ}[/tex] Fahrenheit
B. [tex]76.0^{\circ}[/tex] Fahrenheit
C. [tex]150.4^{\circ}[/tex] Fahrenheit
D. [tex]201.6^{\circ}[/tex] Fahrenheit

Please select the best answer from the choices provided:
A
B
C
D

Answer :

To convert from Celsius to Fahrenheit, you can use the formula:
[tex]\[ F = \left(\frac{9}{5} \times C\right) + 32 \][/tex]

When it is [tex]\(80^{\circ}\)[/tex] Celsius, let's find out what it will be in Fahrenheit.

1. Start with the temperature in Celsius: [tex]\( C = 80 \)[/tex].

2. Apply the formula:
[tex]\[ F = \left(\frac{9}{5} \times 80\right) + 32 \][/tex]

3. Calculate [tex]\(\frac{9}{5} \times 80\)[/tex]:
[tex]\[ = 144 \][/tex]

4. Add 32 to the result from step 3:
[tex]\[ F = 144 + 32 = 176 \][/tex]

Thus, when it is [tex]\(80^{\circ}\)[/tex] Celsius, the temperature will be [tex]\(176^{\circ}\)[/tex] Fahrenheit.

Therefore, the best answer from the choices provided is:
a. [tex]\(176^{\circ}\)[/tex] Fahrenheit (Option A).