tolong jawab dong bsk di kumpulin nih

24. 64 kg + 16 kg + 25 kg = 105 kg ...c.105

25. kakek = 9 windu - 6 thn .
= 90 thn - 6 thn = 84 th
ayah = 3 dasawarsa + 8 thn
=24 thn + 8 thn = 32 th
kakek - ayah = 84 - 32 = 52 th

cmn bisa begitu

30.jawabanya ples cara
2.4meter jubik=240desimeter kubik
240/40=6 menit