As shown in the diagram of the right triangles below, triangle: abc ~ triangle: def, ab = 7x, bc = 4, de = 7, ef = x. what is thr perimeter of triangle: def to the nearest hundredth?

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?