Answer:
40 hours per week
Explanation:
Hello, I can help you with this.
you can easily solve this by using a simple rule of three
Step 1
define
Let
100% of a nurse's time = number of hours she works per week
if
40% of a nurse's time⇔16 hours
100% of a nurse's time⇔x? hours
the relation is

the 100% of a nurse's time is 40 hours, it means that a nurse works 40 hours per week.
have a great day