#Assuming amount tendered is greater or equal to amount due #Does not format output to 2 decimals #Assumes inputs are in 2 decimal or less format

Change Machine

change = {
	:dollars => 100,
	:quarters => 25,
	:dimes => 10,
	:nickels => 5,
	:pennies => 1
}
puts "What is the amount due?"
amount_due = gets.chomp.to_f
change_types = {}
puts "What is the amount tendered?"
tender = gets.chomp.to_f
change_due_x100 = ((amount_due - tender) * 100).to_i
 
change.each do |change, value|
 change_types[change] = (change_due_x100 / value)
 change_due_x100 -= change_types[change] * value
end
 
puts "The change due is: $#{(amount_due-tender).round(2)}"
puts "You should issue:"
change_types.each do |type, quantity|
	puts "#{quantity} #{type}" unless quantity == 0
end