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The text in the image provides two problems that require solving. I'll start by breaking down and solving the problems step by step.

### Problem 2.a
We are given two species of fish, A and B, which feed on two types of food, 1 and 2. The table provides the amount of food each fish consumes and the total amount of food available. We are tasked to set up and solve a system of linear equations to find the number of fish from each species, given the constraints.

The table shows:

|            | Alimento 1 (g) | Alimento 2 (g) | Total (g) |
|------------|----------------|----------------|-----------|
| **Clase 1**|        4       |        7       |     28    |
| **Clase 2**|        3       |        5       |     55    |

Let:
- $ x $ = the number of fish from species A (Clase 1)
- $ y $ = the number of fish from species B (Clase 2)

The equations derived from the table are:
- For Alimento 1: $ 4x + 3y = 53 $
- For Alimento 2: $ 7x + 5y = 80 $

We will solve this system of equations using the method of substitution or elimination.

### Problem 2.b
This problem is financial and involves calculating the total salary for a worker based on two types of earnings:
- A fixed salary of $200,000
- A bonus based on overtime hours worked beyond 55 minutes.

We'll calculate both the total salary and the hourly wage, taking into account the given constraints.

Let's start with problem 2.afrom sympy import symbols, Eq, solve

# Define variables
x, y = symbols('x y')

# System of equations based on the table
eq1 = Eq(4*x + 3*y, 53)  # Equation for Alimento 1
eq2 = Eq(7*x + 5*y, 80)  # Equation for Alimento 2

# Solve the system of equations
solution = solve((eq1, eq2), (x, y))
solutionThe solution to the system of equations is:

- $ x = -25 $ (the number of fish from species A)
- $ y = 51 $ (the number of fish from species B)

However, since it is impossible to have a negative number of fish, this suggests either an error in the problem setup or data provided. We may need to recheck the conditions or constraints of the problem to correct the interpretation. If you have any specific clarifications or changes, feel free to share them, and I can adjust accordingly.

### Moving on to problem 2.b:

Let's proceed to calculate the salary and price per hour for the worker based on the fixed salary, the work duration, and overtime.### Problem 2.b Breakdown

We are given the following information:
- The worker earns a fixed salary of $200,000.
- The worker also works overtime, earning additional pay for each minute worked beyond 55 minutes. The total time worked is 80 minutes.
- We need to calculate the total salary and the price per minute of overtime.

To find the total salary:
1. First, we calculate the overtime, which is $ 80 - 55 = 25 $ minutes.
2. The worker receives extra pay for these 25 minutes.
3. We need to determine the overtime rate per minute.

Let's calculate the total salary considering the fixed salary and the extra pay for overtime.

Could you confirm the overtime rate per minute? If it's missing, I'll assume a reasonable value or leave it as a variable.

Learn how to solve a system of linear equations involving two species of fish and their feeding habits. This problem involves setting up and solving equations based on the amount of food consumed by each fish species. Suitable for students in Grades 10-12.

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