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The given equation models the percent \( P \) of total music sales in a certain format as:

\[
P = 10t - 20,033
\]

where \( t \) represents the year. Let's solve each part step by step:

### (a) Evaluate \( P \) for \( t = 2006 \) and \( t = 2010 \).

For \( t = 2006 \):

\

From 2006 to 2010, the percent P of total music sales with a certain format is modeled by P = 10t - 20,033, where t is the year. (a) Evaluate P for t = 2006 and t = 2010. (b) Use your results from part (a) to graph the equation from 2006 to 2010. (c) In what year was P = 37%?

Solve the linear equation P = 10t - 20,033 to determine the percent of total music sales between 2006 and 2010. Learn how to evaluate and graph the equation, and find the year when P = 37%. Suitable for high school students in Grades 9-12.

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