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## Homework Statement

i feel rather stupid posting this, but i can't seem to figure it out:

increase a sample by 43.8 degrees celsius. if the sample is already 62.7 degrees fahrenheit, what is the temperature in degrees fahrenheit when the desired temperature increase has been achieved?

## Homework Equations

Tf = (9/5)*Tc+32 where Tc is temperature in celsius and Tf is temperature in fahrenheit

## The Attempt at a Solution

convert 43.8 celsius to fahrenheit:

Tf = (9/5)(43.8+32) = 110.84 fahr.

sum initial temp and converted temp:

Tfinal = 110.84 + 62.7 = 173.54 fahr.

i know that the answer is NOT 173.54 fahr because the "temperature change does not depend on the freezing point of water." what am i doing wrong?