You take a 325 milligram dosage of ibuprofen. During each subsequent hour, the amount of medication in your bloodstream decreases by about 29% each hour.
a. Write an exponential decay model giving the amounty (in milligrams) of ibuprofen in your bloodstream t hours after the initial dose
b. Estimate how long it takes for you to have 100 milligrams of ibuprofen in your bloodstream Round your answer to the nearest tenth.
about hours