the solar power per unit area reaching the Earth's surface is 235 W/m2, averaged over a 24 hour day.

the solar power per unit area reaching the Earth's surface is 235 W/m2, averaged over a 24 hour day. If you live in a house whose average power requirement is 3 kW and you can convert solar power to electric power with 8 percent efficiency, how large a collector area will you need to meet all your household energy requirements from solar energy?