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The question asks us to find how many trucks are on the lot if the total number of vehicles is 154, and the ratio of cars to trucks is 5:2.

### Step-by-step solution:

1. **Define the ratio variables:**
   - The ratio of cars to trucks is given as 5:2. Let the number of cars be \( 5x \) and the number of trucks be \( 2x \), where \( x \) is a common factor.

2. **Set up the equation:**
   - The total number of vehicles is 154, so the sum of cars and trucks should equal 154:
   \[
   5x + 2x = 154
   \]
   Simplifying this:
   \[
   7x = 154
   \]

3. **Solve for \( x \):**
   \[
   x = \frac{154}{7} = 22
   \]

4. **Find the number of trucks:**
   - The number of trucks is \( 2x \):
   \[
   2 \times 22 = 44
   \]

Thus, there are **44 trucks** on the lot.

Would you like further details or have any other questions?

### Related Questions:
1. If the ratio of cars to trucks changes to 3:1, how many trucks will be on the lot with the same total number of vehicles?
2. What would be the number of cars if the total number of vehicles remains 154?
3. How many total vehicles would there be if the number of trucks increased to 60, maintaining the same ratio?
4. If 10 more cars are added, how many trucks should be added to maintain the 5:2 ratio?
5. What percentage of the total vehicles on the lot are trucks?

### Tip:
Always remember to convert ratios into algebraic expressions to solve such problems easily.

A certain dealership sells both cars and trucks. The ratio of cars to trucks on the lot is 5 to 2. If there is a total of 154 vehicles on the lot, how many of those vehicles are trucks?

Learn how to solve a problem involving the ratio of cars to trucks at a dealership, with a total of 154 vehicles. This solution involves key algebraic concepts such as ratios and equation solving, ideal for students in Grades 6-8.

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