5 The police department uses a formula to determine the speed at which a car was going when the driver applied the brakes by measuring the distance of the skid marks The equation d 0 03r r models the distance d in feet traveled after applying the brakes in a car moving r miles per hour r is the speed of the car Factor the equation Od r r 1 Od 0 03r 0 03r 1 Od 0 03r r 1 Od r 0 03r 1 This equation is already completely factored