Billy mows lawns. What could the initial value mean in the table below? Lawns Mowed $ Earned
0 -20
1 10
2 40
3 70
Billy earns $20 per lawn.
People pay Billy $30 to mow their lawn.
Billy has 20 jobs when he starts his business.
Billy spent $20 to start his business.

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.