Bagi yg bisa tolong dong jawab soal ini​

AB : BC = EF : FG

16 : BC = 12 : 9

BC = 16 × 9 : 12

BC = 16 × 3 : 4

BC = 12

Luas keramik

= 16 × 12 – 12 × 9

= 12(16 – 9)

= 12 × 7

= 84

Biaya

= 84 × 200.000

= 16.800.000

Semoga membantu ^_^