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This equation shows how the total pages of notes in Cassie's notebook depends on the number of hours she spends in class. $\newline$ $p = h + 17$ $\newline$ The variable $h$ represents the hours she spends in class, and the variable $p$ represents the total pages of notes taken. After attending $3$ hours of class, how many total pages of notes will Cassie have in her notebook? $\newline$ _____ pages

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Find a value using two-variable equations: word problems

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Q. This equation shows how the total pages of notes in Cassie's notebook depends on the number of hours she spends in class.

\newline

p = h + 17

\newline

The variable

h

represents the hours she spends in class, and the variable

p

represents the total pages of notes taken. After attending

3

hours of class, how many total pages of notes will Cassie have in her notebook?

\newline

_____ pages

Identify Variable: Identify the variable that $3$ hours of class corresponds to. $\newline$ $h$ represents the hours spent in class. $\newline$ So, $3$ hours gives the value for $h$ .
Substitute Value: We know that $h = 3$ . $\newline$ Plug in the value for $h$ in $p = h + 17$ . $\newline$ p = h + $17$ $\newline$ Substitute $h$ with $3$ . $\newline$ p = $3$ + $17$
Solve for Total Pages: $p = 3 + 17$ . Solve for $p$ . $p = 3 + 17 = 20$ Therefore, the total pages of notes Cassie will have is $20$ .

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