"Many of us just go a long with it … because we need the jobs," said Pac, 24, who has worked at the airport for 3-1/2 years. She earns $11.50 an hour doing security work and escorting minors, and $8.75 as a tipped worker pushing wheelchairs, but the company does not always adjust her wages as she moves between jobs and customers often don't tip enough for her to reach the minimum wage, she said.