A dugout needs to reach at least 72 feet below ground level. This means it needs to be more than 4 1/2 times its current depth. This depth is represented by the inequality 4 1/2 d < -72, where d is the current depth of the dugout. The current depth of the dugout is area feet below ground level. Fewer than 16
Greater than -16
Fewer than -16
Greater than 16