algebra

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A problem that is similar to the examples talked about are St Marks Community babraque served 250 dinners. A childs plate cost $3.50 and an adults plate cost $7.00. A total of $1347.50 was collected . How many of each plate was served?

  • algebra -

    x = number of child's plates
    y = number of adult

    x + y = 250
    3.50x + 7.00y = 1347.50

    solve these two equations together and solve for x and y

  • algebra -

    2.50

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