Robert will roll a number cube, labeled 1 through 6, a total of 200 times. About how many times could Robert expect to roll a number greater than 4? A. 30 B. 50 C.70 D. 100

4+(2+x) can you me solve this problem

Solve for x and select the correct answer

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.