in the youth summer village there are 175 people , 100 of them are not working , 75 of them have families and 125 of them like to sing in the shower . what is the largest possible number of people in the village , which are working , that do n ' t have families and that are singing in the shower ?
"total = 175 not working = 100 having family = 75 like to sing in shower = 125 working = 175 - 100 = 75 not having family = 175 - 75 = 100 like to sing in shower = 100 largest possible number is the lowest possible among the above thus 75 b"
subtract(add(add(100, 75), 125), 175)