Question
Mark and Mary had a total of 550 theme park tickets. Mark sold 35 of his tickets and Mary sold 12 of hers. They sold an equal number of tickets each. How many tickets did Mark have at first?
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Mark and Mary had a total of 550 theme park tickets. Mark sold 35 of his tickets and Mary sold 12 of hers. They sold an equal number of tickets each. How many tickets did Mark have at first?