The owner of a pool cleaning business wants to know how much time, on average, his workers spend cleaning a pool. Last week, 7 employees each worked a 6-hour shift. In all, they cleaned 42 pools. Which is the most appropriate unit to calculate a answer to his question?

A. pools per employee
B. pools per day
C. employees per pool
D. hours per pool

2 answers

And your answer is?
wants to know how much time,

What is the TIME in your answer?