### Home > GB8I > Chapter 7 Unit 8 > Lesson INT1: 7.1.6 > Problem7-71

7-71.

Each of these number lines shows a segment in bold. Determine the midpoint of the bold segment. Note that the diagrams are not drawn to scale. Homework Help ✎

The midpoint is the mean, or average. What is the mean of each of these pairs of numbers?

1. $\frac{\left(3+9\right)}{2}=6$