Answer:
Morgan has to work 1300 hours.
Step-by-step explanation:
Let x represent number of hours.
We have been given that Morgan earns $26 per hour plus 3.5% of her sales.
The amount earned from working x hours without sales would be
.
Since she need to make $33,800 per year without sales, we will equate money earned in x hours by $33,800 to find number of hours as:



Therefore, Morgan has to work 1300 hours.