In a certain town, 25% of the families own a phone and 15% own a car ; 65% families own neither a phone nor a car and 2,000 families own both a car and a phone.Consider the following three statements :
(a) 5% families own both a car and a
phone.
(b) 35% families own either a car or a
phone.
(c) 40,000 families live in the town.
Then,