Joshua is buying a pair of water skis that are on sale for 2/3 of the original price. after he uses a $25 gift certificate, the total cost before taxes is $115. what was the original price of the skis? write an equation for the problem. then solve the equation.

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?