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16 May, 07:11

William bought some tickets to see his favorite singer. He bought some adult tickets and some children tickets, for a total of 15 tickets. The adult's tickets cost $30 per ticket and the children's tickets cost $20 per ticket. if he spent $330 then how many adults and children's tickets did he buy? Do it step by step

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  1. 16 May, 10:17
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    Hello!

    Let 'a' stand for adult tickets and 'c' for children tickets.

    a + c = 15

    (Both adult and children tickets make up a total of 15 tickets).

    30a + 20c = 330

    a = 3

    c = 12

    A N S W E R:

    William bought 3 adults tickets and 12 children's tickets.
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