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Based on the image you provided, it appears that the task is related to ratios and land area for house construction. Here's a summary of the questions:

### Given:
- Pak Tono has **2 km²** of land and can build **8 houses** on it.

### Questions:
a. **Write the ratio of land to houses in its simplest form.**  
b. **How many houses can be built if Pak Tono has 4 km² of land?**  
c. **If Pak Tono wants to build 32 houses, how much land will he need?**  
d. **Mention 3 equivalent ratios to the ratio 10:4:1.**

### Let's break down the answers:

a. **Ratio of land to houses (in simplest form):**  
- Pak Tono has 2 km² and can build 8 houses.  
  The ratio of land to houses is **2 km² : 8 houses**, which simplifies to **1:4**.

b. **How many houses for 4 km² of land?**  
- If 2 km² supports 8 houses, then for 4 km²:  
  \( \frac{8 \text{ houses}}{2 \text{ km²}} \times 4 \text{ km²} = 16 \text{ houses} \).

c. **Land needed for 32 houses:**  
- If 8 houses need 2 km² of land, then 32 houses will require:  
  \( \frac{2 \text{ km²}}{8 \text{ houses}} \times 32 \text{ houses} = 8 \text{ km²} \).

d. **Three equivalent ratios to 10:4:1:**  
- Some equivalent ratios could be:
  1. 20:8:2
  2. 30:12:3
  3. 40:16:4

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### Follow-up Questions:
1. What if Pak Tono had 6 km² of land, how many houses could he build?
2. How would the ratio change if Pak Tono could build only 6 houses on 2 km²?
3. What is the ratio of land per house in the case where 16 houses are built on 4 km²?
4. If Pak Tono wanted to build 40 houses, how much land would he need?
5. Can you find the equivalent ratio if the number of houses increased by 50%?

**Tip:** Always simplify ratios by finding the greatest common divisor (GCD) of both numbers.

Pak Tono memiliki lahan seluas 2 km² yang dapat dibangun 8 rumah. Jawablah pertanyaan berikut: a. Tuliskan rasio lahan dan rumah dalam bentuk paling sederhana. b. Berapa rumah yang dapat dibangun jika Pak Tono memiliki lahan 4 km²? c. Jika Pak Tono ingin membangun 32 rumah, berapa luas lahan yang dibutuhkan? d. Sebutkan 3 persamaan dari rasio 10:4:1.

Learn how to solve ratio and proportion problems related to land area and house construction. This problem covers ratios like land to house ratios, scaling the number of houses, and simplifying ratios. Suitable for Grade 6-8 students.

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