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OpenStudy (anonymous):
John currently has enough money to buy 45 books. If the cost of each book was 10 cents less, John could buy 5 more books. How much money does John have to spend on books?
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OpenStudy (triciaal):
x = cost of book amount to spend = 45x (x-0.10)(45 + 5) = 45x solve for x find 45x
OpenStudy (mathmate):
An NAR way (No Algebra Required). John saves $0.10 a book. How much does he save for 45 books? This amount buys 5 books, how much would it be for (45+5)=50 books?
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