Question: in township k , 1 / 5 of the housing units are equiped with cable tv . if 1 / 15 of the housing units , including 1 / 3 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 ?
A) 23 / 30
B) 11 / 15
C) 7 / 10
D) 4 / 5
E) 2 / 15
Correct answer: d
Grade: 7 | Topic: Number System | Difficulty: Hard | Standard: 7.NS.A.3