Answer:
The number of adult tickets sold was 22,375 and the number of children's ticket sold was 15,625
Explanation:
The complete question is
A soccer match was held between Peru and Bolivia with 38,000 in attendance. Adult tickets sold for $8 and children’s tickets sold for $5. Total sales were $257,125. How many of each type of ticket was sold?
Let
x ----> number of adult tickets sold
y ----> number of children's ticket sold
we know that
-----> equation A
-----> equation B
Solve the system by graphing
The solution is the intersection point both graphs
using a graphing tool
The solution is the point (22,375,15,625)
see the attached figure
therefore
The number of adult tickets sold was 22,375 and the number of children's ticket sold was 15,625