How to divide 344/20 x 10^3

with explanation

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

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?