Jika Edi membeli 3 baju dan 2 kaus, Edi harus membayar sebesar A. Rp900.000,00
Penjelasan dengan langkah-langkah:
Dik : - baju : kaus = 4 : 3
- 2 baju + 3 kaus = 850.000
2b + 3k = 850.000
Dit : 3b + 2k ?
Jawab :
• b : k = 4 : 3
b/k = 4/3
b = 4/3k
• 2b + 3k = 850.000
subtitusi
2(4/3k) + 3k = 850.000
8/3k + 3k = 850.000
17/3k = 850.000
k = 850.000 × 3/17
k = 150.000
maka :
b = 4/3 (150.000)
b = 200.000
Jadi, 3b + 2k = 3(200.000) + 2(150.000)
= 600.000 + 300.000
= 900.000
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Jika Edi membeli 3 baju dan 2 kaus, Edi harus membayar sebesar A. Rp900.000,00
Penjelasan dengan langkah-langkah:
Dik : - baju : kaus = 4 : 3
- 2 baju + 3 kaus = 850.000
2b + 3k = 850.000
Dit : 3b + 2k ?
Jawab :
• b : k = 4 : 3
b/k = 4/3
b = 4/3k
• 2b + 3k = 850.000
subtitusi
2(4/3k) + 3k = 850.000
8/3k + 3k = 850.000
17/3k = 850.000
k = 850.000 × 3/17
k = 150.000
maka :
b = 4/3 (150.000)
b = 200.000
Jadi, 3b + 2k = 3(200.000) + 2(150.000)
= 600.000 + 300.000
= 900.000