As per linear equation, the amount of markdown is $10.8.
The sale price of the camera is $25.2.
What is a linear equation?
"A linear equation is an equation in which the highest power of the variable is always 1."
Given, a $36 camera is marked down 30%.
Therefore, the amount of markdown is
= $ [tex](36)\frac{30}{100}[/tex]
= $10.8
The sale price of the camera is
= $[tex](36 - 10.8)[/tex]
= $25.2
Learn more about linear equation here: https://brainly.com/question/18064698
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