50 mg dose of quinine is given to a patient with Malaria. Quinine leaves the body at a rate of 6% per hour. Find a formula for the amount- A (in mg)- of quinine in the body hours after the dose is giv

50 mg dose of quinine is given to a patient with Malaria. Quinine leaves the body at a rate of 6% per hour. Find a formula for the amount, A (in mg), of quinine in the body hours after the dose is given. How long will it take for the body to only have 20 mg of quinine. Please label your answer A and B.