Adult tickets for a play cost $19 and child tickets cost $17. If there were 36 people at a performance and the theatre collected $646 from ticket sales, how many children attended the play?

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  1. A. Using algebra
    A=number of adults who attended, then
    36-A = number of children who attended
    19A + 17(36-A) = 646
    Solve for A.

    B. Using arithmetic
    If only adults went, ticket sales would have collected 36*19=$684
    For every child who went, sales would reduce by $2.
    So number of children=(684-646)/2=19

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  2. 19

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  4. poop!

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