Jimmy's school is selling tickets to the annual talent show. On the first day of
ticket sales the school sold 4 adult tickets
and 6 child tickets for a total of $80. The
school took in $84 on the second day by
selling 4 adult tickets and 7 child tickets.
Find the price of an adult ticket and the
price of a child ticket.

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image