Question

The milligrams of a asprin in a persons body is given by the equation a=500 (3/4)^t where the t is the numbers of hours since the patient took the medicine. How much asprin will be in the patients body after two hours

Answer 1

Answer: 281.25 milligram

Explanation:

Given

Milligrams of aspirin left after t hours is given by

`\Rightarrow a=500((3)/(4))^t`

for
`t=2\ hr`

`\Rightarrow a=500((3)/(4))^2\\\Rightarrow a=500* (0.75)^2=281.25\ \text{milligram}`