Write a fiction rule for the output is half of the input

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Sorry guys but as you have a small brain

What is the difference between regular convex and concave polygons