Algebra question: anita rides her bike 82.4 miles each month. which is the best estimate of the total distance anita bikes in 6 months. a) 800 miles; b) 600 miles; c) 400 miles; d) 480 miles.

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.