Which of the following sets of numbers have the same lcm as 12, 10, 5? a. 10, 20, 30 b. 8, 10, 12 c. 5, 15, 45 d. 3, 6, 9

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?