Of the 80 houses in a development, 50 have a two-car garage, 40 have an in-the-ground swimming pool, and 35 have both a two-car garage and an in-the-ground swimming pool. How many houses in the development have neither a two-car garage nor an in-the-ground swimming pool?
Total number of houses= 80 number of houses with two garage=50 number of houses with in-ground swimming pool=40 number of house with garage and swimming pool=35 thus number of houses with garage alone=50-35=15 Number of houses with in-ground swimming pool alone=40-35=5 Total number of house with atleast a garage of a swimming pool will be: (35+15+5)=55
Number of house that have neither swimming pool nor garage: 80-55=25 houses
