Jim earns $30 for each lawn he mows. Jim wants to earn at least $180 next week mowing lawns. Which inequality will help Jim determine the number of lawns, x, he must mow next week? Plz show work and explain your work.
A. 180 - 30 ≤ x
B. 180 + 30 ≥ x
C. 30x ≤ 180
D. 30x ≥ 180