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Let's analyze and solve question 26 from the image.

### Question:
**A shoe store reduced the original price of a shoe by 20% and then by a further 15%. What percent of its original price is the current price of the shoe?**

### Solution:
We can solve this by applying successive percentage reductions.

1. **Initial price**: Let the original price of the shoe be \( P \).
   
2. **First reduction (20%)**: After reducing by 20%, the price becomes:
   \[
   P_1 = P \times (1 - 0.20) = P \times 0.80
   \]
   
3. **Second reduction (15%)**: After reducing by a further 15% on the new price, the price becomes:
   \[
   P_2 = P_1 \times (1 - 0.15) = P \times 0.80 \times 0.85 = P \times 0.68
   \]

4. **Final percentage of the original price**: The final price is 68% of the original price, since:
   \[
   P_2 = P \times 0.68
   \]

Thus, **68%** of the original price is the current price of the shoe.

### Answer:
The correct answer is **D) 68%**.

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Would you like more details or have any questions?

Here are five related questions to expand your understanding:
1. What would the final price be if the second reduction was 10% instead of 15%?
2. How can you calculate successive percentage increases instead of reductions?
3. What is the final percentage if the original price is reduced by 30% and then by another 10%?
4. How would the calculation change if both reductions were 20%?
5. Can you generalize a formula for two successive percentage reductions?

**Tip**: Always apply percentage changes one after the other, not by directly adding or subtracting them from the original.

A shoe store reduced the original price of a shoe by 20% and then by a further 15%. What percent of its original price is the current price of the shoe?

Learn how to solve a problem where a shoe store reduces the price by 20% and then by 15%. This problem demonstrates successive percentage reductions, with a detailed solution and formula application, suitable for students in Grades 7-10.

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