Irene makes 4⅔ cups of pancake batter. She splits the batter into 2 bowls. She mixes blueberries into 2¼ cups of batter and walnuts into the rest of the batter.

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.