tolong di bantu ya pakai cara

36.perbandingan =3 :8
pasir =8/3 x 24 =64 kg(d)

37.perbandingan berat badan andi dan rudi= 4 : 5
jumlah = 4 + 5 = 9
andi = 4/9 x 108 =48 kg
rudi =5/9 x 108 =60 kg

selisih = 60-48 = 12 kg (a)
semoga membantu