A cake is removed from an oven at 210°F and left to cool at room temperature, which is 70°F. After 30 min the temperature is 140°F. When will it be 100°F?
A cake is removed from an oven at 210°F and left to cool at room temperature, which is 70°F. After 30 min the temperature is 140°F. When will it be 100°F?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Choose the correct answer in the choices. Thanks!!
Transcribed Image Text:31. A cake is removed from an oven at
210°F and left to cool at room
temperature, which is 70°F. After 30 min
the temperature is 140°F. When will it be
100°F?
O 63.25 min
56.34 min
O 50.42 min
O 52.28 min
O 66.68 min
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