Liza and Ava are selling cookie dough for a fundraiser.
Customers can buy packages of chocolate chip cookie dough
and packages of gingerbread cookie dough. Liza sold 8
packages of chocolate chip cookie dough and 12 packages of
gingerbread cookie dough for a total of $364. Ava sold 1
package of chocolate chip cookie dough and 4 packages of
gingerbread cookie dough for a total of $93. Use elimination to
solve the system of linear equations and determine the cost
each of one package of chocolate chip cookie dough, x and
the cost of one package of gingerbread cookie dough, y. Write
your answer as an ordered pair (x, y).