High School

Barbara is converting [tex]78^{\circ} F[/tex] to degrees Celsius. First, she subtracts 32 from 78. What is the next step?

A. Multiply 46 by [tex]\frac{5}{9}[/tex].
B. Multiply 46 by [tex]\frac{9}{5}[/tex].
C. Add 273 to 46.
D. Subtract 273 from 46.

Answer :

To convert a temperature from Fahrenheit to Celsius, there is a specific formula to follow:

1. Start with the temperature in Fahrenheit. For this example, it's 78 degrees Fahrenheit.

2. The first step in the conversion process is to subtract 32 from the Fahrenheit temperature. So, you would calculate:

[tex]\( 78 - 32 = 46 \)[/tex]

3. The next step is to multiply the result by the conversion factor, which is [tex]\( \frac{5}{9} \)[/tex], to convert from Fahrenheit to Celsius. Therefore, you would multiply:

[tex]\( 46 \times \frac{5}{9} \)[/tex]

The next step for Barbara would be to multiply 46 by [tex]\( \frac{5}{9} \)[/tex] in order to complete the conversion to degrees Celsius.

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