Question

На рынке 10 пирожков меняют на 3 шоколадки, а одну шоколадку на 3 пирожка и 5 рублей. Сколько стоит шоколадка?

Answer 1

Решение смотри во вложении:

Answer 2

Calculating the Cost of a Chocolate Bar

To calculate the cost of a chocolate bar, we can use the given exchange rates for pies, chocolate bars, and money.

Given Exchange Rates: - 10 pies can be exchanged for 3 chocolate bars. - 1 chocolate bar can be exchanged for 3 pies and 5 rubles.

Step 1: Calculate the Value of 10 Pies

Using the given exchange rate, we can calculate the value of 10 pies in terms of chocolate bars and rubles.

10 pies = 3 chocolate bars

Step 2: Calculate the Value of 1 Chocolate Bar

Now, let's calculate the value of 1 chocolate bar in terms of pies and rubles.

1 chocolate bar = 3 pies + 5 rubles

Step 3: Determine the Cost of a Chocolate Bar

To find the cost of a chocolate bar in rubles, we need to convert the value of 10 pies into rubles and then divide by 3 to find the cost of 1 chocolate bar.

Let's perform the calculations:

10 pies = 3 chocolate bars 1 chocolate bar = 3 pies + 5 rubles

Using these exchange rates, we can determine the cost of a chocolate bar.