The body surface area is B=√H•W/3131. Where the B is the body surface area in square meters. H is the height of the pattern in inches and W is the weight of the patient in pounds. The function of the problem is B(W)=W/379.69 the body surface area of patient who is 68 inches tall is found to be approximately 1.98 square meters. What is the approximate weight of the patient? A doctor prescribes an amount of 15mg/m^2 to a patient who weighs 201 pounds and is 68 inches tall. What is the dosage of the medicine be in mg?