The rate of change of a certain substance is proportional to the amount of substance is 10 grams at the start and 5 grams at the end of 2 minutes. Find the amount of substance remaining at the end of 6 minutes.

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.7: Direct And Inverse Variation
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Solve the problem using the conventional method (long method). Answers must be in simplest form. 

The rate of change of a certain substance is proportional to the amount of substance is 10 grams at the start and 5 grams at the end of 2 minutes. Find the amount of substance remaining at the end of 6
minutes.
Transcribed Image Text:The rate of change of a certain substance is proportional to the amount of substance is 10 grams at the start and 5 grams at the end of 2 minutes. Find the amount of substance remaining at the end of 6 minutes.
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