In Township K, 1/5 of the housing units are equiped with cable Tv. If 1/10 of the housing units, including 1/4 of those that are equiped with cable tv, are equipped with videocassette recorders, what fraction of the housing units have neither cable tv nor videocassette recorders?	Choose the correct answer: A) 3/4 B) 11/15 C) 7/10 D) 1/6 E) 2/15
1/5 -- cable TV (This includes some data from video cassette recorder)   1/10 -- video cassette recorder including 1/4(equiped with cable tv) i.e. 1/4(1/5) = 1/20   therefore only video cassette recorder = 1/10 - 1/20 = 1/20   Total = 1/5+1/20+neither cable tv nor videocassette recorders   1 = 1/4 + neither cable tv nor videocassette recorders   therefore neither cable tv nor videocassette recorders = 1-1/4 = 3/4   Hence 3/4.
<result>A</result>
In Township K, 1/5 of the housing units are equiped with cable Tv. If 1/10 of the housing units, including 1/4 of those that are equiped with cable tv, are equipped with videocassette recorders, what fraction of the housing units have neither cable tv nor videocassette recorders?