She works between 5 hours and 25 hours. The h-axis of the graph must be able to show all amounts of time she works. Since the most she works is 25 hours, the h-axis must show from 0 hours to at least 25 hours.
She earns $8/hour. When she works the most possible time, 25 hours, she earns $8/hour * 25 hours = $200. According to her hours, the most she can earn is $200. The T-axis of her graph must show from 0 to at least 200.
Answer:
h-axis: 25
T-axis: 200