The concentration of a drug in an organ at any time t (in seconds) is given by  where  is measured in grams/cubic centimeter

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Please round the answer to two decimal places.
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How long would it take for the concentration of the drug in the organ to reach 0.17?
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t = __________ sec
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How long would it take for the concentration of the drug in the organ to reach 0.15?
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t = __________ sec

What will be an ideal response?

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9.12; 20.27

Mathematics