Task 13. (8 points)

Natalia Petrovna has returned from her vacation, which she spent traveling through countries in North America. She has a certain amount of money left in foreign currency.

Natalia Petrovna familiarized herself with the exchange rates at the nearest banks: "Rebirth" and "Garnet." She decided to take advantage of the most favorable offer. What amount will she receive in rubles for exchanging 120 US dollars, 80 Canadian dollars, and 10 Mexican pesos at one of the two banks?

| Type of Currency | Exchange Rate |  |
| :--- | :---: | :---: |
|  | Rebirth | Garnet |
| US Dollar | 74.9 rub. | 74.5 rub. |
| Canadian Dollar | 59.3 rub. | 60.1 rub. |
| Mexican Peso | 3.7 rub. | 3.6 rub. |

In your answer, provide only the number without units of measurement!
# Solution:

1) cost of currency at Bank "Vozrozhdenie":

$$
120 * 74.9 + 80 * 59.3 + 10 * 3.7 = 13769 \text{ RUB}
$$

2) cost of currency at Bank "Garant":

$$
120 * 74.5 + 80 * 60.1 + 10 * 3.6 = 13784 \text{ RUB}
$$

Answer: 13784