Interpret Linear Equations

Mrs. Kelly's class started a new book. After skipping a handful of pretext pages in the beginning, the class reads the same number of pages per day. The class can use the equation p=20d+3 to determine the page number, p, they are on in the book based on how many days, d, they have been reading the book. The coordinate (18, 363) is the solution to the equation that corresponds with the day the class finished the book. Match each of the following numbers to the description that BEST matches it.

• The page-length of the book.

• 20

• How many days it took the class to finish the book.

• 363

• The number of pages the class skipped.

• 18

• The number of pages the class read each day.

• 3

To start her collection of comic books, Joylin's uncle gives Joylin a box of comic books and several monthly subscriptions to comic books. The number of comic books in ther collection, y, after x months is modeled by the equation shown

y = 40 + 6x

What does the number 40 represent in this equation?

• the price of a comic book subscription

• the number of months of Joylin's subscriptions

• the number of comic books in the box she received

• the number of title subscriptions Joylin received each month

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