Simplify 10 over quantity of 8 minus 5 i.
quantity of negative 80 plus 50 i over 89
quantity of 80 plus 50 i over 89 10 i over
quantity of 5 plus 8 i
quantity of 80 minus 50 i over 39

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