Question

review the text. before tuning a guitar, first learn the name of each string. a guitar has six strings: the first is on the bottom, and its the thinnest. the sixth string is on the top, and its the thickest. starting at the bottom, the notes run up e, b, g, d, a, and e. if you have an electric tuner, hold it near the guitar and pluck the high e string (the one on the bottom) first. the tuner will determine whether the note produced by the string is flat (too low) or sharp (too high). pick each of the remaining strings. depending on what the tuner tells you, loosen the string to make the note lower or tighten it to make the note higher. which best shows that the authors purpose is to explain how to tune a guitar? the author claims that the string at the top is thickest. the author outlines the steps that readers should take to tune a guitar.

Explanation:

The purpose of explaining how to do something is often shown by outlining steps. Here, the author outlines steps for tuning a guitar like learning string - names and using a tuner. Just stating a fact about string thickness doesn't show the purpose of explaining tuning.

Answer:

The author outlines the steps that readers should take to tune a guitar.