Answer:
a. RCF = 2.5
b. New amounts for the ingredients:
Ingredients      New Amount
Juice                   5 quarts
Lemons              5 mediums
Limes                 5 mediums
Strawberries   50 mediums
Explanation:
a) Data and Calculations:
Yields from basic punch recipe = 64 fl oz
Servings from the yields = 8 portions of 8 fl oz each
Required portions increase = 20 portions of 8 fl oz each
To increase to 20 ports, fl oz of recipe required = 64 * 20/8 = 160 fl oz
b) Therefore, RCF = Total new portions/total old portions = 20/8 or
Yields for new recipe/Yields for old recipe = 160/64 = 2.5
c) Listing the appropriate answers for the scaled recipe:
Ingredients      Old Amount      RCF        New Amount
Juice                   2 quarts          2.5             5 quarts     (2 * 2.5)
Lemons              2 mediums     2.5             5 mediums (2 * 2.5)
Limes                 2 mediums     2.5             5 mediums (2 * 2.5)
Strawberries   20 mediums     2.5           50 mediums (20 * 2.5)