alyssakmallilli2305 alyssakmallilli2305

09-01-2019
Mathematics

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3. An adult can take 400 mg of ibuprofen. Each hour, the amount of ibuprofen decreases by 25%. How much ibuprofen is left in the system after 6 hours?

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tramserran tramserran

09-01-2019

Answer: 71.2 mg

Step-by-step explanation:

A = P(1 - r)ⁿ where:

P is the initial amount
r is the rate of decrease
n is the time

A = 400(1 - 0.25)⁶

= 400(0.75)⁶

= 400(0.178)

= 71.2

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