College

Dara 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, we use the formula:

[tex]$$
C = \left(F - 32\right) \times \frac{5}{9}.
$$[/tex]

Here are the steps:

1. Start with the Fahrenheit temperature. In this case, it is [tex]$78^\circ F$[/tex].
2. Subtract [tex]$32$[/tex] from [tex]$78$[/tex]:

[tex]$$
78 - 32 = 46.
$$[/tex]

3. The next step is to convert this difference to Celsius by multiplying [tex]$46$[/tex] by [tex]$\frac{5}{9}$[/tex]:

[tex]$$
46 \times \frac{5}{9}.
$$[/tex]

So, the next step is to multiply [tex]$46$[/tex] by [tex]$\frac{5}{9}$[/tex].

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