Final answer:
The best design practice for Lena's report on working adult's job time would be using a table to clearly present the numerical data.
Therefore, the correct answer is: option C). using a table to make the numerical data easier to understand.
Step-by-step explanation:
Readability is a measure of how easy a piece of text is to read. The level of complexity of the text, its familiarity, legibility and typography all feed into how readable the text is.
For Lena to improve the readability of her report on the amount of time working adults spend at their job, the design practice that would be most effective is using a table to make the numerical data easier to understand.
Tables are excellent ways to organize and present data clearly, allowing readers to quickly grasp the trends and specific values without navigating through dense paragraphs.
Option C is the best design practice in this context because it organizes the data about the frequency and percentages of adults working at different hours into an easily digestible format.