Jen Butler has beepricing Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 108. T
wo adults and three children must pay $ 77. Find the price of the adult's ticket and the price of a child's ticket
1 answer:
3x + 4y = 108
2x + 3y = 77
----
answer:
x= adult = $16
y= child = $15
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