Question

a band wants to set up a microphone centered on the left half of a 20 - foot - wide stage. how far from the left should the stand be placed?

Explanation:

Step1: Determine the width of left - half of stage

The stage is 20 feet wide. The left - half of the stage has a width of $\frac{20}{2}=10$ feet.

Step2: Find the center of left - half

To find the center of the left - half of the stage, we divide its width by 2. So, $x=\frac{10}{2}=5$ feet.

Answer:

5 feet