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A body cools in temperature 20°C. Ten minutes after the body began to cool, its temperature was observed to be 75°C and 10 minutes later, air of constant its temperature was 50°C. What was the temperature when it began to cool?

A body cools in temperature 20°C. Ten minutes after the body began to cool, its temperature was observed to be 75°C and 10 minutes later, air of constant its temperature was 50°C. What was the temperature when it began to cool?

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
Chapter3: Multi-step Equations And Inequalities
Section: Chapter Questions
Problem 2PTTS
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A body cools in air of constant temperature 20°C. Ten minutes after the body began to cool, its temperature was observed to be 75°C and 10 minutes later, its temperature was 50°C. What was the temperature when it began to cool?
Transcribed Image Text:A body cools in air of constant temperature 20°C. Ten minutes after the body began to cool, its temperature was observed to be 75°C and 10 minutes later, its temperature was 50°C. What was the temperature when it began to cool?
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