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Mathematics 8 Online
OpenStudy (anonymous):

Five books cost "d" dollars. How much money in cents will 7 books cost?

OpenStudy (anonymous):

Let x represent a book. 5x=D One book is D/5. 7 books must be 7d/5. To change it into cents, multiply this by 100. you get 700d/5.

OpenStudy (anonymous):

thanks!

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