To find what number 25% of is equal to 10, we can set up the equation as follows:

\[
0.25 \times X = 10
\]

To solve for \( X \), divide both sides of the equation by 0.25:

\[
X = \frac{10}{0.25} = 40
\]

So, 25% of 40 is 10.

Would you like more details on how this calculation works, or do you have any questions?

Here are 5 related questions to practice:

1. What is 30% of 50?
2. 15% of what number equals 12?
3. 45% of what number equals 18?
4. If 25% of a number is 8, what is the number?
5. What number is 60% of 25?

**Tip:** To find the percentage of a number, multiply the number by the percentage (in decimal form). To reverse the process, divide the known part by the decimal equivalent of the percentage.

Find out how to calculate the number that 25% of equals 10. This step-by-step guide explains how to solve the equation 0.25 × X = 10 and shows that X = 40. Ideal for students in Grades 5-7 learning about percentages and basic algebra.

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