If employers covered by the do not notify the employees (and their union, if applicable) of layoffs, they may have to offer back pay and fringe benefits and pay penalties as well.

The correct answer is the WARN Act

Explanation:

The WARN Act refers to the Worker Adjustment and Retraining Notification (WARN) Act.

It offers a level of protection to workers, their families and communities against plant closings and/or mass layoffs. This it achieves by requiring employers to give their employees sixty days notice before a plant closing or mass layoff.

Failure to comply leads to penalties to the employers.

u = 30

continuing your method

= +

subtract from both sides

= - thus

= -

= ⇒ u = 30