@@ -0,0 +1,565 @@
+cars = 100%0Aspace_in_a_car = 4.0%0Adrivers = 30%0Apassengers = 90%0Acars_not_driven = cars - drivers%0Acars_driven = drivers%0Acarpool_capacity = cars_driven * space_in_a_car%0Aaverage_passengers_per_car = passengers / cars_driven%0Aprint %22There are%22,cars,%22cars available.%22%0Aprint %22There are only%22,drivers,%22drrvers available.%22%0Aprint %22There will be%22,cars_not_driven,%22empty cars today.%22%0Aprint %22We can transport%22, carpool_capacity,%22people today.%22%0Aprint %22We have%22,passengers,%22passengers to carpool_capacity today%22%0Aprint %22We need to put about%22,average_passengers_per_car,%22in each car.%22%0A

add ex4