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A cup of coffee contains 129 milligrams of caffeine. Suppose caffeine is eliminated from the body at a rate of 14.4% per hour. What is the 1-hour percent change?
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A cup of coffee contains 129 milligrams of caffeine. Suppose caffeine is eliminated from the body at a rate of 14.4% per hour.

What is the 1-hour percent change?

User Soliev
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After one hour the amount of caffeine would be 85.6% of the original amount. 85.6% of 129 mg is 110.42 mg.
User Domsson
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