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8 November, 23:24

Paperback book cost $0.50

Hardback book cost $0.75 each

If 12 books were purchased for a total of $6.75, how many paperback books were purchased?

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Answers (2)
  1. 8 November, 23:50
    0
    9 paperback books were purchased
  2. 8 November, 23:52
    0
    9 paperbacks will be sold since

    9 x 0.50 = 4.50

    Because you bought 9 books you have to buy 3 more hardback books so:

    3 x 0.75 = 2.25

    2.25 + 4.50 = 6.75
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