Nomor 22 tolong di jawab

Setrika = 18 kWh : (2 jam/hari × 30 hari)
Setrika = 18.000 Wh : 60 jam
Setrika = 300 W

Lampu = 1,5 kWh : (10 jam/hari × 30 hari)
Lampu = 1.500 Wh : 300 jam
Lampu = 5 W

TV = 30 kWh : (10 jam/hari × 30 hari)
TV = 30.000 Wh : 300 jam
TV = 100 W

Jawaban : (D)