The Tran family is bringing 12 packages of buns
to the neighborhood picnic. The hamburger
buns cost $2.00 per package. The hot-dog
buns cost $1.50 per package. They spent
$20 for the buns. Write and solve a system
of equations that can be used to find the
number of packages of each type of bun they
purchased

System:
Hamburger buns:
Hot-dog buns: