Problema Solution
Jen Butler has been pricing Speed Pass train fairs for a group trip to New York. Three adults and four children must pay $110. Two adults and three children must pay $78. Find the price of the adult's ticket and the price of a child's ticket.
Answer provided by our tutors
let
a = the price of the adult's ticket
c = the price of the child's ticket
Three adults and four children must pay $110.
3a + 4c = 110
Two adults and three children must pay $78.
2a + 3c = 78
by solving the system of equations:
3a + 4c = 110
2a + 3c = 78
we find:
a = $18
c = $14
click here to see the step by step solution of the system of equations:
the adult's ticket is $18 while the child's ticket is $14.