2 cups is a pint, 2 pints is a quart, 4 quarts is a gallon. So, 4 quarts multiplied by 15. 4*15= 60 quarts of lemonade
The ratio would be 84 over 162, and fraction would be the same thing and for the decimal all you do is 84 divived by 162
C=2.71828182 is go to be the answer
