SOLUTION: Jen Butler has been pricing​ Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 80.  Two adults and three children mu
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Question 1129052: Jen Butler has been pricing Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 80. Two adults and three children must pay $ 57. Find the price of the adult's ticket and the price of a child's ticket. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the price of an adult ticket
Let = the price of a child's ticket
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(1)
(2)
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Multiply both sides of (1) by
Multiply both sides of (2) by
Subtract (1) from (2)
(2)
(1)
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and
(2)
(2)
(2)
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An adult ticket is $12
A child's ticket is $11
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check:
(1)
(1)
(1)
OK
