A faraway planet is populated by creatures called jolos. All jolos are either green or purple and either one-headed or two-headed. Balon, who lives on this planet, does a survey and finds that her colony of 725 contains 145 green one-headed jolos;240 purple, two-headed jolos; and 350 one-headed Jolos. How many green Jolos are there in balan's colony? a. 135 b. 205 c. 280 d. 375