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space_in_a_car = 4.0
drivers= 30
passengers = 90
cars_not_driven= cars-drivers
carpool_capacity=cars_driven * space_in_a_car
average_passengers_per_car = passengers / cars_driven
puts "There are #{cars} cars available."
puts "There are only #{drivers} drivers available."
puts "There will be #{cars_not_driven} empty cars today."
puts "We can transport #{carpool_capacity} people today."
puts "We have #{passengers} passengers to carpool today"
puts "We need to put about #{average_passengers_per_car} in each car."