To find the number \( x \) such that six and a half of that number equals 20, we can set up the equation as follows:

\[
\frac{13}{2} \times x = 20
\]

To solve for \( x \), multiply both sides of the equation by \( \frac{2}{13} \):

\[
x = \frac{20 \times 2}{13}
\]

\[
x = \frac{40}{13} \approx 3.08
\]

So, the number is approximately 3.08.

Would you like any more details or have any questions? Here are five related questions to explore further:

1. What is six and a half of 15?
2. If three times a number is 20, what is the number?
3. How do you calculate one-third of a number?
4. What is the decimal equivalent of 6 and a half?
5. How can you solve equations involving fractions?

**Tip:** When solving equations involving fractions, it's often helpful to first multiply both sides by the denominator to eliminate the fraction.

Learn how to solve the equation where six and a half of a number equals 20. This step-by-step guide explains the solution using fractional multiplication and basic algebra. Perfect for students in Grades 6-8.

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