Jackson Consulting reduced headcount by laying off 20% of its employees

Jackson Consulting reduced headcount by laying off 20% of its employees. If the earnings of each of the remaining employees were the same before and after the layoffs, what is the maximum percentage by which the average earnings of the employees at the company could have increased from its level before the layoffs to its level after the layoffs?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #13882