Denise bought a t-shirt at the sale price of $25.the original cost of the t-shirt was $40.what percent represents the discount that denise received when buying the t-shirt.

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?