A Cranberry Craving
On Thanksgiving Thursday, Carissa ate some cranberries. The next day she couldn’t stop thinking about how good the cranberries were and ate seven more cranberries than she had eaten on Thursday. Each day after that she ate seven more cranberries than the day before. By the following Wednesday she had eaten a total of 161 cranberries for the whole week. How many cranberries did Carissa eat on Thanksgiving Thursday?