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maymaaz
21.02.2022 •
Mathematics
Certain can of soda contains 60 milligrams of caffeine. The caffeine is eliminated from the body at a rate of 15% per hour. What is the approximate half-life of the caffeine? That is how many hours does it take for half of the caffeine to be eliminated from the body?
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Ответ:
3.33hours
Step-by-step explanation:
you have a total of 60mg, it is asked how much hours it takes to remove half the caffeine which is 30mg
1 hour removes 15%, 15% of 60 is 9g
(15/100×60) = 9
now it removes only 9g in an hour, we have to find out how long (hours) it'll take to remove 30g
30÷9= 3.33 hours
Ответ:
the answer a
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