plizzz...jawab y semua soal ny....yg mau aj....harus pake cara...tolong yyy..

16. js = jp/skala
= 4/ 1:150.000
= 4×150.000
= 600.000 cm
= 6 km.

17. 20m = 200dm

200 + 50 = 250 dm
= 250 - 225
= 25 dm