Claire is hiking up the south kaibab trail at the grand canyon. the table shows claire’s altitude above sea level every 15 minutes after she starts to hike. use a graph and an equation to find how long it will take claire to reach the rim of the canyon at 7260 feet.

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.