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.

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.