Rational Numbers 1. Ron is flying a hot air balloon at an altitude of 570 meters. He
releases air from the balloon in order to change the altitude by-2.5
meters every second for 4 seconds.
1a. Write an equation and solve to find the change in altitude.
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1b. Write an equation and solve to find the new altitude.

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.