Mathematics, 23.01.2020 18:31 fr12345
You have a gift certificate to a book store worth $80. each paperback books is $6 and each hardcover books is $12. you must spend at least $25 in order to use the gift certificate. write and graph a system of inequalities to model the number of each kind of books you can buy. let x : the number of paperback books and y : the number of hardback books.
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You have a gift certificate to a book store worth $80. each paperback books is $6 and each hardcover...
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