Plz ?

an auto dealer marks up the new and used cars that he sells. new cars are marked up 5% and used cars are marked up 3%.

a. a new car cost the dealer $15,000. how much money will the dealer receive when he sells the car?

b. the dealer paid $10,250 for a car and sold it for $10,557.50 was the car new or used how can you tell?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in