Luke H. answered 12/18/17
Tutor
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521 MCAT | Test Strategy Specialist | 10+ yrs Teaching | Georgetown MS
Hey there Candice,
To answer this question, you're going to need a bit more information. We know that the temperature fell from 54F, but not where it fell to. To figure out the total temperature fall, you need to know where it ended up.
Once you get that info, let me know and I can help finish the the problem.
Best,
Luke