SOLUTION: Shelly's book collection has B books. Every week she reads, and gets rid of 15 books. Every 2 weeks she goes to a book sale and buys 36 books. What is the expression for her book c

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Question 113175: Shelly's book collection has B books. Every week she reads, and gets rid of 15 books. Every 2 weeks she goes to a book sale and buys 36 books. What is the expression for her book collection count?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Shelly's book collection has B books. Every week she reads, and gets rid of 15 books. Every 2 weeks she goes to a book sale and buys 36 books. What is the expression for her book collection count?
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Let "x" be the number of weeks from now.
EQUATION:
# of books = B - 15x + (x/2)36
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Cheers,
Stan H.