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math-word problem

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admission to a park is $5 for an adult ticket and $1 for a child. If $100 was collected and 28 admissions were sold on a day, how many tickets were sold and how many child tickets were sold

  • math-word problem - ,

    Let x = adult and Y = child tickets.

    x + y = 28

    x = 28 - y

    5x + y = 100

    Substitute 28-y for x in third equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the third equation.

  • math-word problem - ,

    from a board 38 1/2 inches long pete cut a piece 17 5/8 inches long how long was the remaining piece

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