Barbara is converting 78 to degrees Celsius first she subtracts 32 from 78 what is next step

Letter A. For Barbara to convert 78F to Celsius. She must subtract 32 from 78. then multiply it by 5/9.

Explanation:

Step 1:

78 °F - 32 = 46

Step 2:

Multiply 46 by 5/9

Then, the answer is

Multiply 46 by 5/9.