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25 March, 09:51

10. Event tickets cost $20 each. A student ordered some tickets online. There was a service charge of $2.50 per ticket. The total cost was $540. (A) Write a function rule for the cost of number of tickets. (B) How many tickets did the student order?

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  1. 25 March, 10:00
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    Y = 2.50n + 20n

    y = 22.50n

    540 = 22.50n Divide by 22.50

    n = 24 tickets
  2. 25 March, 10:10
    0
    24 because if you add $20 and $2.50 that is 1 ticket online the divid $540 by $22.50 and you get 24

    $20+$2.50=$22.50

    $540/$22.50=24
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