tlg lagiii jwbb bsk mau UN nih

20b+50k=225,000
20(2k)+50=225,000
40k+50k=225,000
90k =225,000
K=225,000/90
K=2500


B = 2k(=)b=2(2500)
=5000




25b+60k
=25(5000)+60(2500)
=125,000+150,000
=275,000