Two children named Peter and Wanda are playing a number game. If Peter`s number z is 200 percent of Wanda`s number, what is 20 percent of Wanda`s number, in terms of z?
Two children named Peter and Wanda are playing a number game. If Peter`s number z is 200 percent of Wanda`s number, what is 20 percent of Wanda`s number, in terms of z?