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A cup of hot coffee whose temperature is 200°F is poured in a room whose temperature is 70°F. Two minutes later the temperature of the coffee is 180°F. How long after the coffee is poured does it reached a temperature of 155°F? O a. 2.56 mins O b.5.09 mins O c. 7.59 mins O d. 3.56 mins O e. None

A cup of hot coffee whose temperature is 200°F is poured in a room whose temperature is 70°F. Two minutes later the temperature of the coffee is 180°F. How long after the coffee is poured does it reached a temperature of 155°F? O a. 2.56 mins O b.5.09 mins O c. 7.59 mins O d. 3.56 mins O e. None

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.4: Comparing And Ordering Integers
Problem 42E
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A cup of hot coffee whose temperature is 200°F is poured in a room whose temperature is 70°F. Two minutes later the temperature of the coffee is 180°F. How long after the coffee is poured does it reached a temperature of 155°F? O a. 2.56 mins O b. 5.09 mins O c. 7.59 mins O d. 3.56 mins O e. None
Transcribed Image Text:A cup of hot coffee whose temperature is 200°F is poured in a room whose temperature is 70°F. Two minutes later the temperature of the coffee is 180°F. How long after the coffee is poured does it reached a temperature of 155°F? O a. 2.56 mins O b. 5.09 mins O c. 7.59 mins O d. 3.56 mins O e. None
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