1. **State the problem:** We want to find the overall relative frequency of teenagers who eat fruit every day based on two groups of survey responses.
2. **Given data:**
- First group: 500 teenagers, relative frequency = 0.4
- Second group: 300 teenagers, number who eat fruit every day = 174
3. **Formula for relative frequency:**
$$\text{Relative frequency} = \frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}$$
4. **Calculate the number of teenagers who eat fruit every day in the first group:**
$$500 \times 0.4 = 200$$
5. **Calculate the total number of teenagers who eat fruit every day in both groups:**
$$200 + 174 = 374$$
6. **Calculate the total number of teenagers surveyed:**
$$500 + 300 = 800$$
7. **Calculate the overall relative frequency:**
$$\frac{374}{800}$$
8. **Simplify the fraction:**
$$\frac{\cancel{374}}{\cancel{800}} \text{ (no common factors to cancel)}$$
9. **Convert to decimal:**
$$\frac{374}{800} = 0.4675$$
**Final answer:** The overall relative frequency of teenagers who eat fruit every day is **0.4675**.
Fruit Frequency C9E09D
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