Code

   
    /// Name: Afaf Nabeeha
    /// Period: 7
    /// Program Name: Variables and Names
    /// File Name: Variables.java
    /// Date Finished: 9/18/2015 public class Numbers
          public class Variables
          {
              public static void main( String[] args )
              {
                  int cars, drivers, passengers, cars_not_driven, cars_driven;
                  double space_in_a_car, carpool_capacity, average_passengers_per_car;
          
                  //Everytime in the println there is the word cars not in quotations the program will substitute it with 100
                  cars = 100;
                  //The space_in_a_car is used to calculate later variable assignments.
                  space_in_a_car = 4;
                  //The word drivers indicates the number of drivers available; similar to the assignment "cars"
                  drivers = 30;
                  //Same as "cars" and "drivers"
                  passengers = 90;
                  //This uses previously assigned variables to calculate total # of empty cars
                  cars_not_driven = cars - drivers;
                  //This indicates that the number of cars driven must also be = to # of drivers
                  cars_driven = drivers;
                  //This uses previously assigned variables to calculate total # of passengers to carpool
                  carpool_capacity = cars_driven * space_in_a_car;
                  //This uses previously assigned variables to average the # of passengers per car
                  average_passengers_per_car = passengers / cars_driven;
          
          
                  System.out.println( "There are " + cars + " cars available." );
                  System.out.println( "There are only " + drivers + " drivers available." );
                  System.out.println( "There will be " + cars_not_driven + " empty cars today." );
                  System.out.println( "We can transport " + carpool_capacity + " people today." );
                  System.out.println( "We have " + passengers + " to carpool today." );
                  System.out.println( "We need to put about " + average_passengers_per_car + " in each car." );
              }
          }
    
    
    
Picture of the output