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6 November, 04:10

A discount bookstore sells hardcover books for $12 and paperback books for $6. The number of hardcover books, x, sold one day was twice the number of paperback books, y, sold the same day. The total sales that day were $180. What is the system of equations that represents this situation

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  1. 6 November, 07:49
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    Answer: the system of equations that represents this situation are

    12x + 6y = 180

    x = 2y

    Step-by-step explanation:

    Let x represent the number of hardcover books that were sold in a day.

    Let y represent the number of paperback books that were sold in a day.

    The discount bookstore sells hardcover books for $12 and paperback books for $6. The total sales that day were $180. It means that

    12x + 6y = 180

    The number of hardcover books sold that day was twice the number of paperback books. It means that

    x = 2y
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