mohon dibantu dgn cara
IPS
hanifah232
Pertanyaan
mohon dibantu dgn cara
1 Jawaban
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1. Jawaban Nauraamalia1230
Diketahui:
5s=2j
8s+3j=Rp1860,00
Ditanya=1s?
Jawab=
5s=2j
8s+3j=Rp1860,00
5s-2j=0 }×3
8s+3j=Rp1860,00 }×2
15s-6j=0
16s+6j=Rp3720,00
_______________+
31s+0=Rp3720,00
s=Rp3720,00÷31
=Rp120,00 (B)