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27 May, 15:16

At a school play, children's tickets cost $3 each and adult tickets cost $7 each. The total amount of money earned from ticket sales equals $210. Which is the number of children's tickets sold for the school play?

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  1. 27 May, 17:13
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    It's 70. Cause 3 * 70 is 210.
  2. 27 May, 17:21
    0
    Your question is incompatible to find any exact answer

    210 = 7a + 3c

    210 - 7a = 3c

    (210 - 7a) / 3 = c

    now graph it as

    y = (210-7x) / 3
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