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------------------------------------------------ The function below allows you to convert degrees Celsius to degrees Fahrenheit. Use this function to convert 20 degrees Celsius to degrees Fahrenheit.

[tex] F(c)=\frac{9}{5} c+32 [/tex]

20°C =

A. 20
B. 36
C. 68
D. 94

To convert degrees Celsius to degrees Fahrenheit, you can use the formula:

[tex]\[ F(c) = \frac{9}{5}c + 32 \][/tex]

Let's use this formula to convert 20 degrees Celsius to degrees Fahrenheit.

1. Start by inserting 20 for [tex]\( c \)[/tex] in the formula:

[tex]\[ F(20) = \frac{9}{5} \times 20 + 32 \][/tex]

2. Multiply [tex]\(\frac{9}{5}\)[/tex] by 20:

[tex]\[ \frac{9}{5} \times 20 = \frac{180}{5} = 36 \][/tex]

3. Add 32 to the result from step 2:

[tex]\[ 36 + 32 = 68 \][/tex]

Therefore, 20 degrees Celsius is equal to 68 degrees Fahrenheit.

The correct answer is:

C. 68