SOLUTION: Jen Butler has been pricing speed-pass train fares for a group trip to New York. Three adults and four children must pay $121. Two adults and three children must pay $86. Find the
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Question 992567: Jen Butler has been pricing speed-pass train fares for a group trip to New York. Three adults and four children must pay $121. Two adults and three children must pay $86. Find the price for the adult tickets and child's tickets. Answer by vleith(2983) (Show Source):
You can put this solution on YOUR website! Let adult tickets cost A and child tickets cost C. You are told
Multiply the first equation by 2 and the second by 3 to get
Now subtract the fourth equation from the third to get
Children cost 16 each
Use that to solve for A.
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