tolong jawab pake cara yaa

37.
rata rata gabungan x 40 = 15 x 6000 + 25 x 4000
rata rata gabungan x 40 = 90000 + 100000
rata rata gabungan = 190000/40
rata rata gabungan = 4750

38.
25000 x 6 = 28000 + 25000 + 30000 + 22000 + 18000 + uang Mimin
150000 = 123000 + uang Mimin
uang Mimin = 27000

#maaf jika salah semoga membantu

37.
Total uang saku 15 siswa putra
= 15 x Rp 6000
= Rp 90.000
Total uang saku 25 siswa putri
= 25 x Rp 4.000
= Rp 100.000

Rata2 gabungan
= (Rp 90.000 + Rp100.000) / 25+15
= Rp 190.000 / 40
= Rp 4.750

38. Uang Mita
= (Rp 25000x6) - Rp (28000+25000 +30000+22000+18000)
= Rp 150.000 - Rp 123.000
= Rp 27.000

semoga membantu :)