Acompany that manufactures cars for freight trains manufactured 393 cars in the month of august, out of which 168 were boxcars. what fraction of the cars manufactured were not boxcars?

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?