An adult takes 400 mg of ibuprofen. Every 2 hours, the amount of ibuprofen in the person’s system decreases by 29%. a) Write a function that will give the amount of ibuprofen remaining after any amount of time.
b) Use this function to predict the amount of ibuprofen, to the nearest mg, remaining after 12 hours.
c) Find the amount of time, to the nearest tenth of an hour, it will take for half of the ibuprofen to be left in a person’s system.