What’s the outlier of 1 48 50 25 21 19 26 30 18 17 3

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

What is the value of x? enter your answer in the box. photo attached.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount