To calculate +5% and -5% of a given number, you can follow these formulas:

1. **+5% of a number**: Multiply the number by 0.05 and then add that to the original number.
   \[
   +5\% \text{ of } x = x + (0.05 \times x) = 1.05x
   \]

2. **-5% of a number**: Multiply the number by 0.05 and then subtract that from the original number.
   \[
   -5\% \text{ of } x = x - (0.05 \times x) = 0.95x
   \]

If you provide specific numbers, I can calculate the +5% and -5% for you. 

Do you want to proceed with specific numbers or have any questions about the calculations? 

### Related Questions:
1. How do percentage increases and decreases affect prices in retail?
2. What are practical applications of calculating percentages in finance?
3. How do you convert between fractions, decimals, and percentages?
4. Can you explain how to find percentage changes in a dataset?
5. What tools can help with calculating percentages quickly?

**Tip:** Always check if your calculations make sense by comparing them with the original number.

Learn how to calculate +5% and -5% of any number with our easy-to-follow guide. Understand the formulas involved and see practical applications of percentage calculations. Suitable for students in Grades 5-7.

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