You enter an elevator and go down 5 floors. You exit on the 8th floor. Write an equation you can use to find the floor where you entered the elevator. Let x be the floor where you entered the elevator.

An equation is = 8

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?