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This equation shows how the total number of pieces Ian knows how to sing depends on the number of weeks he takes voice lessons. $\newline$ $p = w$ $\newline$ The variable $w$ represents the number of weeks he has taken voice lessons, and the variable $p$ represents the total number of pieces he has learned. After $18$ weeks of voice lessons, how many pieces will Ian be able to sing, in total? $\newline$ _____ pieces

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Evaluate a linear function: word problems

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Q. This equation shows how the total number of pieces Ian knows how to sing depends on the number of weeks he takes voice lessons.

\newline

p = w

\newline

The variable

w

represents the number of weeks he has taken voice lessons, and the variable

p

represents the total number of pieces he has learned. After

18

weeks of voice lessons, how many pieces will Ian be able to sing, in total?

\newline

_____ pieces

Identify weeks taken: Step $1$ : Identify the number of weeks Ian has taken voice lessons, which is given as $18$ . This $18$ represents the variable $w$ .
Substitute in equation: Step $2$ : Substitute $18$ for $w$ in the given equation $p = w$ . So, the equation becomes $p = 18$ .
Simplify to find pieces: Step $3$ : Simplify the equation $p = 18$ to find $p$ . So, $p = 18$ . Hence, Ian will be able to sing $18$ pieces after $18$ weeks of voice lessons.

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