In a certain skyscraper, the elevators whisk you to a restaurant in the skyscraper at a speed of 600 feet in 120 seconds. If the restaurant is 400 feet up, how long will it take you to reach the restaurant by elevator?
It will take
seconds to reach the restaurant using the elevator.
(Type an integer or a decimal.)

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