The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in S52 on the second day by selling 3 senior citizen tickets and 2 child tickets.
Which equations represent the system that could be used?
1s + 3 = 38
2s + 3 = 52
3s +1c = 38
o
3s + 20 = 52
S+ c = 38
s+c=52
3s + 3 = 38
о
1s + 20 = 52