Answer :

To convert the numerical scale [tex]$1: 20000$[/tex] to a worded scale, you can follow these steps:

1. Identify the Ratio: The given scale is in the form of a ratio, which is [tex]$1: 20000$[/tex]. This means that one unit on a map or diagram represents 20,000 units in real life.

2. Convert Numbers to Words:
- "1" is written as "One."
- "20000" is written as "Twenty Thousand."

3. Formulate the Worded Scale: Combine the words from each part of the ratio to form the complete worded scale.

Putting it all together, the scale [tex]$1: 20000$[/tex] is expressed in words as "One to Twenty Thousand."

This conveys the same meaning as the numerical representation but in a verbal form.