In an area in which electricity costs 8 cents/kilowatt-hour, a 5 kW clothes dryer runs for 90 minutes to dry a load of laundry. How much did it cost to dry these clothes?
A. $0.20
B. $0.30
C. $0.45
D. $0.60

Respuesta :

D $0.60 because (5kW)x(90/60hours)x(8cents/kWh) = $0.60 --> D

Answer:

D

Explanation: