Question

An air conditioner has a power rating of 3000 W and is used daily. Its electrical

consumption is 120 kWh for one week.
(a) Calculate, in hours, the average duration for which the air conditioner is used daily​

Answer 1

5.714 hours / day

Step-by-step explanation:

The simple answer

Answer 2

5.714 hours / day

Step-by-step explanation:

Calculate the hours used in that week

120000 / 3000 = 120 / 3 = 40 hours a week

Calculate the amount it is used in one day

40 / 7 = 5.71428571 hours or 5.714 hours/day