Among 16 candidates for five positions on a city council, 9 are Democrats, 6 are Republicans, and 3 are Independents. In how many ways can the 5 councilmen be chosen so that 2 are Democrats, 2 are Republican and 1 is an Independent?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacio's 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