Erik rode down an escalator, while raj rode up. erik's elevation is represented by the equation h = 12 – 0.75t, and raj's elevation is represented by h = 0.75t. what does the point of intersection on the graph represent? erik and raj were at the same elevation after both of them had been riding the escalator for 6 seconds. erik and raj were at the same elevation after both of them had been riding the escalator for 8 seconds. erik and raj were at the same elevation after erik had been riding the escalator for 6 seconds and raj had been on the escalator for 8 seconds. erik and raj were at the same elevation after erik had been riding the escalator for 8 seconds and raj had been on the escalator for 6 seconds.