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This equation shows how the total number of books Clara has read depends on the number of months she has been part of a book club. $\newline$ $b = m + 8$ $\newline$ The variable $m$ represents the number of months she has been a member of the book club, and the variable $b$ represents the number of books that she has read. After belonging to the book club for $9$ months, how many books will Clara have read in all? $\newline$ _____ books

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Find a value using two-variable equations: word problems

Full solution

Q. This equation shows how the total number of books Clara has read depends on the number of months she has been part of a book club.

\newline

b = m + 8

\newline

The variable

m

represents the number of months she has been a member of the book club, and the variable

b

represents the number of books that she has read. After belonging to the book club for

9

months, how many books will Clara have read in all?

\newline

_____ books

Identify Months: question_prompt: How many books has Clara read after $9$ months in the book club? $\newline$ $m$ is the number of months, so $m = 9$ .
Plug into Equation: Plug $m$ into the equation $b = m + 8$ . $b = 9 + 8$ .
Calculate Total: Calculate $b$ . $b = 9 + 8 = 17$ .

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