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Write a system of equations and solve the following:

Cody's school is selling tickets to a spring musical. On the first day of ticket sales the school sold
6 adult tickets and 13 student tickets for a total of $159. The school took in $164 on the second
day by selling 8 adult tickets and 12 student tickets. Find the price of an adult ticket and the price
of a student ticket.

A) adult ticket: $5. student ticket: $14

B) adult ticket: $3. student ticket: $13

C) adult ticket: S6, student ticket: $13

D) adult ticket: $7. student ticket: S9