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14 March, 22:21

Concert venue sells adult tickets for $15 and student tickets for $10. Monday, a total of 85 tickets were sold, and the total money collected was $1,115. How many adult tickets and how many student tickets were sold?

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  1. 15 March, 00:49
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    X=adult tickets and y=student tickets

    x+y=85

    15x+10y=1115

    so now do a system of equations

    (15x+15y=1275) - (15x+10y=1115) = 5y=160 so y=32 tickets

    x+32=85 so x=53 tickets

    53 adult tickets and 32 student tickets
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