Answer :
Final answer:
To convert a temperature difference from Fahrenheit to Celsius, you should multiply by 5/9. This is because a difference doesn't have a start or end point, meaning there's no need to adjust the scales.
Explanation:
To correct his mistake and find the temperature difference in Celsius instead of Fahrenheit, Hank should multiply the Fahrenheit temperature difference by 5/9. That's because the conversion from Fahrenheit to Celsius involves subtracting 32 from the Fahrenheit temperature and then multiplying by 5/9. However, when converting a temperature difference, rather than an actual temperature, you do not need to subtract 32. The subtraction of 32 in the Fahrenheit to Celsius formula is used to adjust the scales, since they have different zero points. But for a difference in temperature, we're only concerned with the relative scale, thus, we only need to consider the multiplication by 5/9.
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