Answer:
Option B.
The price of a senior citizen ticket is $11 and the price of a child ticket. is $7
Explanation:
Let
x ----> the price of a senior citizen ticket
y ---> the price of a child ticket.
we know that
First day
-----> equation A
Second day
----> equation B
Solve the system by graphing
Remember that the solution is the intersection point both graphs
using a graphing tool
The solution is the point (11,7)
therefore
The price of a senior citizen ticket is $11 and the price of a child ticket. is $7