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Mathematics 13 Online
OpenStudy (anonymous):

The bookstore can buy a popular book as a paperback or a hardback. A hardback book costs $3.50 more than the paperback book. What is the cost of each if 90 paperback books cost the same as 55 hardback books? I only want the two equations. I do not want the problem to be solved for me.

OpenStudy (anonymous):

Did anyone answer this problem?

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