Question

The number of hours of electricity
supplied to a city, during a week,
were 9, 12, 20, 16, 19, 18 and 21.
a. Find the average electricity
supply hours for the week.
b. In the next week, the average
electricity supply hours were
18 hours. How many more hours
of electricity was there in the
second week than the first week?
​

Answer 1

Answer:

16.5

Step-by-step explanation:

hope it will help you