The task is to generate the correct answer for a given math problem.
--------
Question: Problem: in township k , 1 / 5 of the housing units are equipped with cable television . if 1 / 10 of the housing units , including 1 / 3 of those that are equipped with cable television , are equipped with videocassette recorders , what fraction of the housing units have neither cable television nor videocassette recorders ?

Answer: 23 / 30


Question: Problem: carl is facing very difficult financial times and can only pay the interest on a $ 10,000 loan he has taken . the bank charges him a quarterly compound rate of 8 % . what is the approximate interest he pays annually ?

Answer: 3500


Question: Problem: a train moves with a speed of 162 kmph . its speed in metres per second is

Answer:
4