Asoccer match was held between peru and bolivia with 38,000 in attendance

The number of adult tickets sold was 22,375 and the  number of children's ticket sold was 15,625

Step-by-step 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

y/x=18

step-by-step explanation:

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58