Kelly is attending physical therapyCB after knee surgery he walked 9 1/4 miles over 3 days how many miles is the per day simplilfy the answer as a mixed number

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?