Babysitting: Suzie and Brenan babysit for two different families to make a little extra money. Suzie's pay $8 per hour as well as $10 extra per week as a retainer. Brenan's pay is determined by how many hours Brenan works a week. Plus, Brenan receives a set weekly stipend for gas because the family lives in the country. Brenan has been babysitting for the past four weeks, and the following chart shows how much he was paid each week.