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Jen Butler has been pricing​ Speed-Pass train fares for a group trip to New York. Three adults and four

children must pay $ 104.  Two adults and three children must pay $ 74.  Find the price of the​ adult's ticket and the price of a​ child's ticket.

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Let x be the price for adults and y be the price for children 3 x + 4 y = 1 0 4 2 x + 3 y = 7 4 ... View the full answer

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