Maria invested $4,000 at 3.5% simple interest. she left the principal invested for 57 months. robert invested $3,500 at 8.5% simple interest. he left the principal invested for 42 months. how much more total money did maria have than robert at the end of their investments

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?