26. REASONING A high school band was selling ride tickets for the school fair. On the first day, 250 children's tickets and 150 adult tickets were sold for a total of
$550. On the second day, 180 children's tickets and 120 adult tickets were sold
for a total of $420. What is the price for each child ticket and each adult ticket?
a. Write a system of equations to represent this situation.
b. Graph the system of equations.
c. Find the intersection of the graphs. What does the point of intersection
represent?