Jenny has a total money of $25.91, as per linear equation.
What is a linear equation?
"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. When this equation is graphed, it always results in a straight line."
Given, Jenny has 66 pennies, 82 nickels, 74 dimes, 29 quarters, and 13 fifty-cent pieces.
Therefore, Jenny has a total of
= [66 pennies + 82 nickels + 74 dimes + 29 quarters + 13 fifty-cent ]
= $[66 × 0.01 + 82 × 0.05 + 74 × 0.10 + 29 × 0.25 + 13 × 0.50]
= $25.91
Learn more about linear equation here: https://brainly.com/question/1538865
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