Teachers, save “Bake Sale: NFb4” to assign it to your class.

All the pans of sheet cake are square. A pan of sheet cake costs $12. The customers can buy any fractional part of a pan of sheet cake and pay that fraction of $12. For example, 1/2 of a full pan costs ½ of $12. Mrs. Farmer is a customer. How much did she buy? How much did she spend?