An astronaut weighs 170 pounds on earth and 400 pounds on jupiter. the astronaut captures an alien that weighs 120 pounds on jupiter. what is the alien's weight on earth?
34 pounds
51 pounds
78 pounds
283 pounds

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.