Question

6. How long can a 1500W heater be on before using more than 12 kWh of energy?

Answer 1

Answer:

  8 hours

Explanation:

Time can be found by dividing quantity by rate:

  (12 kWh)/(1.5 kW) = (12/1.5) h = 8 h

The heater can be on for 8 hours.