200
HAMILTON'S RULE GIVES A MATHMATICAL VALIDATION FOR ALTRUISTIC BEHAVIOR--ITS THE RELATIONSHIP AMONG RISK, RELATEDNESS, AND BENEFIT EXPRESSED AS THIS FORMULA AND ITS MEANING.
WHAT IS THE COEFFICIENT OF RELATEDNESS [r], THE BENEFIT TO THE RECIPIENT [B] , AND THE COST TO THE ALTRUIST [c]?
FORMULA = rB>c