The grocery store is having a sale on cereal. A box of cereal normally costs $4.56. Today, it is on sale for 25% off. If you buy 4 boxes of cereal, how much money will you have to pay at the register? There is no sales tax on the cereal.

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?