Julie completes a run in three parts, listed below: 1720 metres
63580 centimetres
4.2 kilometres
The distance she runs in each part is measured by her phone, however the settings keep changing. How far did she run in kilometres in total

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?