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Let's go through the problem step by step:

**Problem Statement:**
There are 1,820 people in a residential complex, with the following breakdown of pets:
- 10% have dogs.
- 40% have cats.
- 5% have fish.
- 15% have birds.
- The rest have other types of pets.

We are asked to determine:
1. The number of people for each pet category.
2. The number of people who have other types of pets.
3. The percentage of people who have other types of pets.

---

**Step 1: Calculate the number of people for each pet category.**

1. **People with dogs** = 10% of 1,820 = \( 0.10 \times 1820 = 182 \) people.
2. **People with cats** = 40% of 1,820 = \( 0.40 \times 1820 = 728 \) people.
3. **People with fish** = 5% of 1,820 = \( 0.05 \times 1820 = 91 \) people.
4. **People with birds** = 15% of 1,820 = \( 0.15 \times 1820 = 273 \) people.

---

**Step 2: Calculate the number of people who have other types of pets.**

First, sum up the number of people with dogs, cats, fish, and birds:
- \( 182 + 728 + 91 + 273 = 1274 \) people.

Now, subtract this total from the total population:
- \( 1820 - 1274 = 546 \) people.

So, **546 people** have other types of pets.

---

**Step 3: Calculate the percentage of people who have other types of pets.**

The percentage of people with other types of pets is:
\[
\left( \frac{546}{1820} \right) \times 100 = 30\%
\]

---

**Final Answer:**
- 182 people have dogs.
- 728 people have cats.
- 91 people have fish.
- 273 people have birds.
- 546 people have other types of pets, which represents 30% of the population.

---

Do you need any more details or have any questions?

### 5 Related Questions:
1. What if the number of people in the residential complex was 2,000? How would the percentages change?
2. How would the answer change if the percentage of people with dogs increased to 15%?
3. If a new survey finds that 20% of people have no pets, how many people would this be?
4. What is the total percentage of people with cats and dogs combined?
5. How many people would have pets if only 90% of the population owned pets?

**Tip:** Always ensure the total percentage sums to 100% when dealing with percentage-based problems.

En un conjunto residencial hay 1820 personas, el 10% tienen perro, el 40% tienen gato, el 5% tienen peces, el 15% tienen aves y el resto tienen otro tipo de mascota. Determine las cantidades de personas para cada porcentaje. ¿Cuántas personas tienen otro tipo de mascota? ¿Qué porcentaje representan las personas que tienen otro tipo de mascota?

Determine the number of people owning different types of pets in a residential complex with 1,820 people. Learn how to solve percentage problems involving categories like dogs, cats, fish, birds, and others. Suitable for students in Grades 6-8.

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