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15 August, 02:45

The function C (x) = 17.5x-10 represents the cost (in dollars) of buying x tickets to the orchestra with a $10 coupon. a. How much does it cost to buy 5 tickets? It costs $ to buy 5 tickets. b. How many tickets can you buy with $130? You can buy tickets.

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  1. 15 August, 03:29
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    THX u's
  2. 15 August, 06:03
    0
    a. It would cost $77.50 to buy 5 tickets.

    C (x) = 17.5 (5) - 10

    C (x) = 87.50-10

    C (x) = 77.50

    b. You can buy 8 tickets with $130

    C (x) = 17.5x-10

    130=17.5x-10

    Add 10 on both sides

    140=17.5x

    Divide 17.5 on both sides

    8=x
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