I've tried everything and can't figure it out, if you 100% know how to solve then : )

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.