tolong dijawab ya!!! pake cara

》 5 Lampu,masing"15W mnyla 12jam/hari slma 1bulan
5x15x12x30 = 27000wh = 27Kwh
》2 lampu, nasing"30W, mnyla 5jam/hari slma 1 bulan
2x30x5x30 = 9000wh = 9Kwh
》1setrika 360w selama 3jam tiap 3 hari slma 1 bulan
1x360x3x30/3 = 10.800wh = 10.8Kwh
》1pompa air 200w selama 3jam/hari slma 1 bulan
1x200x3x30 = 18000wh = 18Kwh
》2kipas masing"120w slma 4jam/hari slma 1 bulan
2x120x4x30 = 28.800wh = 28.8Kwh

biaya 1 Kwh = 1.300,
semua ada (27+9+10.8+18+28.8)= 93.6Kwh

1.300 x 93.6 = 121.680,00 (B)

semoga membantu kawan, jgn lupa follow/tanya" aja kalau ada yg gabisa, kalau membantu, jgn lupa jwban terbaik ya:)