To convert Fahrenheit temperatures to Celsius temperatures, what is the correct formula?

1) Add 32 to the Fahrenheit temperature and then multiply by 1.8.
2) Add 32 to the Fahrenheit temperature and then divide by 1.8.
3) Subtract 32 from the Fahrenheit temperature and then multiply by 1.8.
4) Subtract 32 from the Fahrenheit temperature and then divide by 1.8.

To convert Fahrenheit temperatures to Celsius, subtract 32 from the Fahrenheit temperature and then divide by 1.8. An example of this conversion using a temperature of 68 degrees Fahrenheit results in approximately 20 degrees Celsius.

option 3

Explanation:

The correct formula for converting Fahrenheit temperatures to Celsius is as follows: subtract 32 from the Fahrenheit temperature and then multiply by 5/9 or alternatively, you can divide by 1.8 which is the decimal equivalent of 5/9. This relationship is derived from the ratio of temperature intervals between the Fahrenheit and Celsius scales. The key point to remember here is subtraction happens first, then division or multiplication.

So, out of the provided options, the correct answer is, 4) Subtract 32 from the Fahrenheit temperature and then divide by 1.8.

Here's an example: If you have a temperature of 68 degrees Fahrenheit and you want to convert it to Celsius, you would subtract 32 from 68 to get 36. Then, you would divide 36 by 1.8 to get approximately 20 degrees Celsius.

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