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on monday the bookstore sold 75 books. on tuesday the bookstore sold 125 books. the bookstore must sell 500 book by friday how ma y more books must the bookstore sell.

User TommyF
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2 Answers

5 votes
there were 200 books sold. so, they need to sell 300 more to have 500 total books sold.
User Tomas Voracek
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2 votes
300 more are necessary because 75+125=200        200+300=500
User Smills
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