Harga 3 m x 5 m kain kembang Rp.12.500.00. Brp rupiah harga 4 m x 25 m kain kembang?

4 × 25 100
----------- × 12.500 = ------- × 12.500 = 83.333
3 × 5 15

jadi harga kain 4m × 25m = Rp 83.333