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------------------------------------------------ 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 degrees Fahrenheit to degrees Celsius, you can follow these steps:

1. Start with the Fahrenheit temperature: In this case, it's [tex]\(78^\circ F\)[/tex].

2. Subtract 32 from the Fahrenheit temperature:
[tex]\[
78 - 32 = 46
\][/tex]
This step helps adjust for the difference in the starting points of the Fahrenheit and Celsius scales.

3. Multiply the result by [tex]\(\frac{5}{9}\)[/tex]:
[tex]\[
46 \times \frac{5}{9}
\][/tex]
This step converts the difference between the Fahrenheit temperature and 32 to the Celsius scale.

So, after subtracting 32 from 78, the next step is to multiply 46 by [tex]\(\frac{5}{9}\)[/tex].