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A cup of fast-food coffee is 175°F when freshly poured. After 3 minutes in a room at 75°F, the coffee has cooled to 150°F. What is the time that it will take for the coffee to cool to 110°F? O 9.9 minutes O 6.9 minutes O 4.9 minutes O 10.9 minutes

A cup of fast-food coffee is 175°F when freshly poured. After 3 minutes in a room at 75°F, the coffee has cooled to 150°F. What is the time that it will take for the coffee to cool to 110°F? O 9.9 minutes O 6.9 minutes O 4.9 minutes O 10.9 minutes

Advanced Engineering Mathematics
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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* A cup of fast-food coffee is 175°F when freshly poured. After 3 minutes in a room at 75°F, the coffee has cooled to 150°F. What is the time that it will take for the coffee to cool to 110°F? 9.9 minutes O 6.9 minutes O 4.9 minutes 10.9 minutes
Transcribed Image Text:* A cup of fast-food coffee is 175°F when freshly poured. After 3 minutes in a room at 75°F, the coffee has cooled to 150°F. What is the time that it will take for the coffee to cool to 110°F? 9.9 minutes O 6.9 minutes O 4.9 minutes 10.9 minutes
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