A thermometer is taken from a room where the temperature is 21°C to the outdoors, where the temperature is -9°C. After one minute the thermometer reads 10°C. (b) When will the thermometer read -8°C?

A thermometer is taken from a room where the temperature is 21°C to the outdoors, where the temperature is -9°C. After one minute the thermometer reads 10°C. (b) When will the thermometer read -8°C?

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter3: Solving Equation And Problems

Section3.1: Transforming Equations: Addition And Subtraction

Problem 9P

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Question

A thermometer is taken from a room where the temperature is 21°C to the outdoors, where the temperature is -9°C. After one minute the
thermometer reads 10°C.
(b) When will the thermometer read -8°C?

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