The Owner of Kat Motel Wants to Develop a Time

Multiple Choice

The owner of Kat Motel wants to develop a time standard for the task of cleaning a cat cage.In a preliminary study,she observed one of her employees perform this task six times,with the following results: What is the normal time (NT) for this task if the employee worked at a fifty percent faster pace than the average?

A) 45 seconds
B) 60 seconds
C) 90 seconds
D) 135 seconds
E) 180 seconds