As per linear equation, the percentage of the bill he got as a tip is 16%.
"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."
Here, James served meals with bills of $23.59, $40.65, $30.50, and $15.68.
Therefore total bill of the meals is
= $(23.59 + 40.65 + 30.50 + 15.68)
= $110.42
He got tips of $17.67.
Therefore, the percentage of the bill he got as a tip is
= ($17.67/$110.42) × 100%
= 16.003%
≈ 16%
Learn more about linear equation here: https://brainly.com/question/15241071
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