The Wheel shop sells other kinds of vehicles. There are bicycles and go-carts in a different room of the shop. Each bicycle has only one seat and each go-cart has only one seat. There are a total of 17 seats and 48 wheels in that room. Bicyle has 2 wheels and go-carts have 4 wheels. How many bicycles and how many are go-carts? Explain how you figured it out.