The 4's of diamonds are Cut, Color, Clarity and Carat. All are VERY important in buying a diamond and the value of your investment. It is hard for any given person to see all of the 4 C's with a...
Cut, colour, clarity and carat weight.
(4 gallon) x (16 cups per gallon) = 64 cups [ This is the right answer]
4 cardinal directions on a compass.
four central points of the compass