new_contents: # LPTHW Exercise 4 -- Variables and Names
  
  cars = 100
  space_in_a_car = 4.0
  drivers = 30
  passengers = 90
  cars_not_driven = cars - drivers
  cars_driven = drivers
  carpool_capacity = cars_driven * space_in_a_car
  average_passengers_per_car = passengers / cars_driven
  
  print "There are", cars, "cars available."
  print "There are only", drivers, "drivers available."
  print "There will be", cars_not_driven, "empty cars today."
  print "We can transport", carpool_capacity, "people today."
  print "We have", passengers, "to carpool today."
  print "We need to put about", average_passengers_per_car, "in each car."
subject: complete exercise 4