Priya starts with $50 in her bank account. She then deposits $20 each week for 12 weeks. 1. Write an equation that represents the relationship between the dollar amount in her bank account and the number of weeks of saving. 2. Graph your equation using graphing technology. Mark the point on the graph that represents the amount after 3 weeks. 3. How many weeks does it take her to have $250 in her bank account? Mark this point on the graph.