Two cups of coffee A college student consumed two cups of coffee, each containing 80 mg of caffeine, 90 minutes apart. Suppose that just before he consumed his second cup of coffee, 65 mg of caffeine was still in his system from the first cup of coffee. How much caffeine remains in his system 7 hours after he drank his first cup of coffee?
Two cups of coffee A college student consumed two cups of coffee, each containing 80 mg of caffeine, 90 minutes apart. Suppose that just before he consumed his second cup of coffee, 65 mg of caffeine was still in his system from the first cup of coffee. How much caffeine remains in his system 7 hours after he drank his first cup of coffee?
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter1: Basic Concepts And Properties
Section1.CR: Review Problem Set
Problem 67CR
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Two cups of coffee A college student consumed two cups of coffee, each containing 80 mg of caffeine, 90 minutes apart. Suppose that just before he consumed his second cup of coffee, 65 mg of caffeine was still in his system from the first cup of coffee. How much caffeine remains in his system 7 hours after he drank his first cup of coffee?
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