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The problem asks how much Micaela will earn by selling 6 large necklaces at $6.40 each and 7 small necklaces at $4.80 each.

Here is the solution:

1. **Earnings from large necklaces:**
   \[
   6 \, \text{necklaces} \times 6.40 \, \text{USD} = 38.40 \, \text{USD}
   \]

2. **Earnings from small necklaces:**
   \[
   7 \, \text{necklaces} \times 4.80 \, \text{USD} = 33.60 \, \text{USD}
   \]

3. **Total earnings:**
   \[
   38.40 \, \text{USD} + 33.60 \, \text{USD} = 72.00 \, \text{USD}
   \]

So, Micaela will earn **$72.00** in total.

Would you like more details or have any questions?

Here are 5 related questions to expand your understanding:

1. What would the total earnings be if Micaela sold 10 large and 10 small necklaces?
2. How many large necklaces would she need to sell to earn $100?
3. What would be her earnings if she sold 5 large necklaces and 8 small necklaces?
4. How would the total earnings change if the price of small necklaces increased by 10%?
5. How much would she earn if she sold 20 small necklaces only?

**Tip:** To calculate the total earnings in such problems, always multiply the number of items sold by their respective prices, then add the amounts.

Micaela vende collares. Cada collar grande se vende a US$6,40 y cada collar pequeño se vende a US$4,80. ¿Cuánto ganará ella por vender 6 collares grandes y 7 collares pequeños?

Learn how to calculate the total earnings from selling large and small necklaces using basic arithmetic. This problem involves multiplication and addition, suitable for students in Grades 4-6.

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