As per linear equation, Gary read 10% of the book.
"A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation."
Gary read 34 pages of a 340 pages book.
Therefore, the percentage of the book he read is
= (34/340) × 100%
= 10%
Learn more about linear equation here: https://brainly.com/question/532187
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