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20 September, 13:55

Tom bought n DVDs for a total cost of 15n - 2 dollars. Which expression represents the cost of each DVD?

a. n (15·n - 2)

b. n + (15·n - 2)

c. (15·n - 2) / n

d. (15·n - 2) - n

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Answers (1)
  1. 20 September, 14:07
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    A. n (15. n - 2)

    eg n = 2

    2 (15.2 - 2)

    2 (30 - 2)

    2 (18)

    36 = 18 + 18
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