The problem-focused coping, as it's name suggests, targets the cause of stress. The ways may vary, but all aim for the same results: adress the problem or stressful situation to reduce stress.
In this case, Gracie is stressed at work. The cause is that she hasn't completed a certain amount of projects to get a promotion which. If she engages in the problem-focused coping, she will work to complete more projects and reduce the stress caused by it.
