Question

Read the paragraph.

An engineer named Elijah McCoy invented the "oiling cup" which kept trains and steamboats oiled when they were moving. The use of the
oiling cup became known as the "McCoy system." When people say "It's the real McCoy," they mean it has what it takes to make something work
perfectly.
Which words best describe the author's purpose?
O 1. to inform
2. to persuade
O 3. to inspire
O 4. to entertain

Answer 1

1. To Inform

Step-by-step explanation:

We know the author's purpose is to inform because they're explaining to the reader what the phrase "It's the real McCoy" means and the backstory/origins behind it.