Carlito scored a 92 on his first math test, a 94 on the second, and an 88 on the third. if each test is worth points and there are four tests per year, what will carlito need to score on the last test to have an average of 90 for the year?

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?