Question

Tolong bantu buatin cara nya dong..

Answer 1

4 lampu *30 watt*5 jam=600watt
1 tv*60 watt*5 jam=300 watt
1 kipas angin*20 watt*5 jam=100 watt

=600+300+100=1000 watt=1 kwh

1 kwh*30 hari*Rp 400
=Rp 12.000