tolong ya pleaseeeeee
Matematika
Adeliarahmadany19
Pertanyaan
tolong ya pleaseeeeee
2 Jawaban
-
1. Jawaban ReysameiliaS
Diketahui:
Uang Sani dan Arie = Rp 10.000
Perbandingan :
Sani = 2 Jumlah uang mereka = Rp 160.000
Arie = 4
Jawab :
Arie = [tex] \frac{2}{4} [/tex] x Rp160.000
= [tex] \frac{Rp 320.000}{4} [/tex]
= Rp 80.000
Sani :
2b + 4a = 160.000
2b + 4(10.000 + b) = 160.000
2b + 40.00 + 4b = 160.000
6b = 160.000 - 40.000
6b = 120.000
b = [tex] \frac{120.000}{6} [/tex]
b = Rp 20.000
Semoga membantu
Maaf ada yang salah dan sudah diperbaiki -
2. Jawaban DB45
misal
uang sani = s
uang ari = a
a - s = 10.000 -->a = s + 10.000
2s + 4a = 160.000
2s + 4(s+10.000) = 160.000
2s + 4s +40.000 = 160.000
6s = 120.000
s = 20.000
uang sani = Rp. 20.000.