Diana is making smoothie using bananas, cantaloupes, and milk. This table gives the cost, per kilogram, of each ingredient, and the amount, in kilograms, that Diana uses: Ingredient Price per kilogram Amount
Bananas 0.550.550, point, 55 dollars per kilogram xxx kilograms
Cantaloupes yyy dollar per kilogram 1.21.21, point, 2 kilograms
Milk zzz dollars per liter ppp liters
The total cost of the ingredients is 222 dollars.
Write an equation that relates xxx, yyy, zzz, and ppp.