Question 14

Angga bought $3$ packs of soy sauce, $1$ pack of sauce, and $2$ packs of pepper, paying $\text{Rp20,000.00}$. Bimo bought $1$ pack of soy sauce, $2$ packs of sauce, and $1$ pack of pepper, paying $\text{Rp12,500.00}$. Meanwhile, Cinta bought $2$ packs of soy sauce, $1$ pack of sauce, and $2$ packs of pepper, paying $\text{Rp16,000.00}$. If Rizal buys one pack each of soy sauce, sauce, and pepper, he must pay...