What is the value of x?

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?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

Math i have no idea how to do a and b