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30 November, 03:25

Morgan sold 500 raffle tickets for a fund-raiser. Tickets for children cost $1.50, and tickets for adults cost $2.50. Morgan sold $1100 worth of raffle tickets.

How many adult raffle tickets did Morgan sell?

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  1. 30 November, 03:43
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    A+c=500, c=500-a

    2.5a+1.5c=1100, using c found above in this equation gives you:

    2.5a+1.5 (500-a) = 1100

    2.5a+750-1.5a=1100

    a+750=1100

    a=250

    So 250 adult tickets were sold.
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