Step-by-step explanation:
To determine if events are independent, one has to confirm if there's no relationship between the events.
Event A. Not shutting off the water in the kitchen sink.
Event B. Receiving a high water bill.
Both Events are related as Event B is proportional to Event A. This means they are not independent but rather dependent
Answer: 20
20 since you have to divide 100 by 5 which equals 20 since you have to use the inverse operation of multiplication which is division.
Hope this helps!