The sum of the ages of a brother and sister is 23. If four times the brother's age is subtracted from three times the sister's age, the difference is 27. 1: The sum of the ages of a brother and sister is 23. Give an equation that represents this statement using bbb as the age of the brother and s as the age of the sister. If four times the brother's age is subtracted from three times the sister's age, the difference is 27. Give an equation that represents this statement using bbb as the age of the brother and s as the age of the sister. Using your answers from parts B and C, what are the ages of the brother and sister, respectively?