Question
An administration manager wanted to purchase some guide books. If she bought 178 guide books, she would have $639 left. If she bought 158 guide books, she would have $899 left. What was the cost of each guide book?
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An administration manager wanted to purchase some guide books. If she bought 178 guide books, she would have $639 left. If she bought 158 guide books, she would have $899 left. What was the cost of each guide book?