A:B=7:3,jika B 69,maka A-B By Admin ReiPosted on December 8, 2022 A:B=7:3,jika B 69,maka A-B A/B=7/3=n/69n=7.69/3 =7.21 =147A-B=147-69=78 Semoga Membantu 🙂