Keisha spent all day baking pies and cookie cakes for a party. Each pie had to bake for
48 minutes, and each cookie cake had to bake for 18 minutes. All together, Keisha
baked 9 desserts one at a time for a total of 4 hours and 12 minutes. The system of
equations below represents these facts.
P+c=9
48p 18c = 252
{}
How many cookie cakes did Keisha bake?