After subtracting 15% from a number, we get 85.

Let's denote the original number as $ x $. The problem states that after subtracting 15% from this number, we get 85. This can be expressed as:

\[
x - 0.15x = 85
\]

Simplifying the equation:

\[
0.85x = 85
\]

To find $ x $, divide both sides of the equation by 0.85:

\[
x = \frac{85}{0.85}
\]

Now, let's calculate the value of $ x $.The original number is **100**.

Would you like more details or have any further questions?

Here are some related questions you might find interesting:
1. If 20% is subtracted from a number and the result is 80, what is the original number?
2. What is the original price if a 25% discount brings the price down to $75?
3. How do you calculate the original value if you know the percentage increase and the final value?
4. A product's price after a 10% discount is $90. What was the original price?
5. How do you reverse a percentage decrease to find the original value?

**Tip:** To reverse a percentage reduction, divide the final value by the percentage of the original value that remains.

Learn how to calculate the original number after subtracting 15%. Step-by-step solution provided with detailed calculations. Suitable for Grades 6-8.

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