Question

Ginger Ale: 40%

Answer 1

After omitting the sorbet, the modified recipe is:
ginger ale: 45%
orange juice: 30%
pineapple: 25%
6 cups of orange juice = 30% (p) = 0.3(p) (set p=amount of punch)
multiply by 10:
60 =3p
divide by 3:
20 =p
20 cups of punch