Jen Butler has been pricing Speedpass train fares for a group trip to New York. 3 adults and 4 children may pay a $117. two adults and three children must pay $83. find the price of the adults ticket in the price of a child's ticket
Accepted Solution
A:
The price of a child's ticket will be 3 times the lower price less 2 times the higher price: 3*83 -2*117 = 15 dollars.
The price of an adult's ticket will be 3 times the higher price less 4 times the lower price: 3*117 -4*83 = 19 dollars.