Girls in the first grade account for one-third of the total strength of the class. 3 girls are absent today. What is the total strength of the class of four girls attended?

Which of the following questions describes the equation g + (-4) = -5? a)what number, when added to negative four, is equal to negative five? b)what number, when added to negative five, is equal to negative four? c)what number, when subtracted from negative four, is equal to negative five? d)what number, when subtracted from negative five, is equal to negative four?