jimmybaker · September 6, 2012 19:10
diff --git a/shipping_matrix.rb b/shipping_matrix.rb
 class ShippingMatrix

  @matrix = {
    (1..10) => 2.50,
    (11..20) => 5.00,
    (21..30) => 10
  }
  
  def self.price_for(quantity)
    @matrix.find { |range, price| range.include?(quantity) }[1]
  end

 end
diff --git a/usage.rb b/usage.rb
 ShippingMatrix.price_for(15)
 => 5.0
	class ShippingMatrix

	@matrix = {
	(1..10) => 2.50,
	(11..20) => 5.00,
	(21..30) => 10
	}

	def self.price_for(quantity)
	@matrix.find { \|range, price\| range.include?(quantity) }[1]
	end

	end