The dosage for carboplatin chemotherapy drugs depends on several parameters of the drug as well as the age, weight, and sex of the patient. For a male patient, the formulas giving the dosage for a certain drug are: d = a(c 25) and c = ((140 - y)w/72x) , where a and x depend on which drug is used, d is the dosage in milligrams (mg), c is called the creatine clearance, y is the patient's age in years, and w is the patient's weight in kg. For a 50-year-old man, find an expression for (dd/dw) in terms of a and x.
A. True
B. False
