1. Why is gallons the dependent variable? 2. Divide gallons by time in each pair of cells. What do you get?
3. If the time is 60 minutes, how would you get the gallons? What would you get?

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?