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8 October, 07:11

To raise funds, a school sells two kinds of raffle tickets, Adults pay $6, children pay $1.50. Sales for both amounted to $900. If 375 tickets were sold, how many were childrens' tickets?

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  1. 8 October, 08:01
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    Let the number of children's tickets is x and adult's tickets is y

    x + y = 375, x = 375 - y ... (1)

    1.5x + 6y = 900 ... (2)

    1.5 (375-y) + 6y = 900

    562.5 - 1.5y + 6y = 900

    4.5y = 337.5

    y = 75

    x = 300
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