Mathematics, 21.10.2019 23:20 sross8799

Ahard cover books cells for $16.50 the same title in paperback sells for $4.95 how many hard cover books must a dealer sell to take in as much money as he or she does for 30 paperback copies

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Ahard cover books cells for $16.50 the same title in paperback sells for $4.95 how many hard cover b...

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